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California 30-Day Weather Outlook

Over the next 30 days, California temperatures are expected to range from 63°F to 88°F, with conditions changing throughout the forecast period.

The rain condition is expected to be Rain Possible, providing a quick overview of the overall precipitation pattern for the month ahead.

This 30-day outlook helps you understand broader temperature and rainfall trends, making it easier to plan travel, outdoor activities, events, and other activities.

As the forecast updates, checking the latest conditions can help you stay prepared for changes in temperature and precipitation.

Planning ahead? Check California’s 30-day weather forecast to stay prepared for the days ahead.

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3%

Chance of Rain

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49oF

Dew Point

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39%

Humidity

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110

Ozone

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0 in

Precipitation

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101300 hPa

Pressure

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North

Wind Direction

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8%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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4%

Chance of Rain

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47oF

Dew Point

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30%

Humidity

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101

Ozone

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0 in

Precipitation

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101400 hPa

Pressure

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North

Wind Direction

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3%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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1%

Chance of Rain

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42oF

Dew Point

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25%

Humidity

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90

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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3%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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4%

Chance of Rain

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46oF

Dew Point

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32%

Humidity

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110

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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10%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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3%

Chance of Rain

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43oF

Dew Point

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31%

Humidity

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108

Ozone

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0 in

Precipitation

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101400 hPa

Pressure

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North

Wind Direction

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17%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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2%

Chance of Rain

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40oF

Dew Point

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27%

Humidity

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103

Ozone

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0 in

Precipitation

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101400 hPa

Pressure

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North

Wind Direction

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4%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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3%

Chance of Rain

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40oF

Dew Point

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27%

Humidity

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101

Ozone

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0 in

Precipitation

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101200 hPa

Pressure

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North

Wind Direction

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8%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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0%

Chance of Rain

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38oF

Dew Point

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28%

Humidity

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108

Ozone

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0 in

Precipitation

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101100 hPa

Pressure

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North

Wind Direction

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3%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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4%

Chance of Rain

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38oF

Dew Point

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32%

Humidity

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96

Ozone

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0 in

Precipitation

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101100 hPa

Pressure

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North

Wind Direction

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2%

Cloud Cover

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06:09

Sunrise

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18:09

Sunset

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0%

Chance of Rain

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32oF

Dew Point

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29%

Humidity

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93

Ozone

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0 in

Precipitation

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101200 hPa

Pressure

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North North East

Wind Direction

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4%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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3%

Chance of Rain

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37oF

Dew Point

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34%

Humidity

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91

Ozone

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0 in

Precipitation

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101400 hPa

Pressure

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North

Wind Direction

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3%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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3%

Chance of Rain

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31oF

Dew Point

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22%

Humidity

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90

Ozone

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0 in

Precipitation

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101700 hPa

Pressure

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North

Wind Direction

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1%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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1%

Chance of Rain

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35oF

Dew Point

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24%

Humidity

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107

Ozone

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0 in

Precipitation

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101900 hPa

Pressure

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North

Wind Direction

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2%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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1%

Chance of Rain

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33oF

Dew Point

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20%

Humidity

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99

Ozone

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0 in

Precipitation

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101900 hPa

Pressure

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North

Wind Direction

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12%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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1%

Chance of Rain

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28oF

Dew Point

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17%

Humidity

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96

Ozone

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0 in

Precipitation

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101600 hPa

Pressure

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North

Wind Direction

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71%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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0%

Chance of Rain

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28oF

Dew Point

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17%

Humidity

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99

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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63%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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4%

Chance of Rain

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32oF

Dew Point

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20%

Humidity

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107

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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4%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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1%

Chance of Rain

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31oF

Dew Point

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17%

Humidity

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102

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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3%

Cloud Cover

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06:10

Sunrise

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18:10

Sunset

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0%

Chance of Rain

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29oF

Dew Point

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15%

Humidity

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96

Ozone

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0 in

Precipitation

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101300 hPa

Pressure

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North

Wind Direction

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3%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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2%

Chance of Rain

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32oF

Dew Point

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19%

Humidity

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94

Ozone

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0 in

Precipitation

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101300 hPa

Pressure

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North

Wind Direction

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4%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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3%

Chance of Rain

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34oF

Dew Point

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21%

Humidity

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104

Ozone

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0 in

Precipitation

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101300 hPa

Pressure

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North

Wind Direction

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4%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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3%

Chance of Rain

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40oF

Dew Point

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26%

Humidity

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108

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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7%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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4%

Chance of Rain

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47oF

Dew Point

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32%

Humidity

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98

Ozone

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0 in

Precipitation

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101600 hPa

Pressure

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North

Wind Direction

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8%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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12%

Chance of Rain

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58oF

Dew Point

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46%

Humidity

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103

Ozone

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0.065 in

Precipitation

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101400 hPa

Pressure

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North

Wind Direction

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92%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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19%

Chance of Rain

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53oF

Dew Point

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38%

Humidity

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99

Ozone

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0.014 in

Precipitation

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101000 hPa

Pressure

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North

Wind Direction

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47%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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1%

Chance of Rain

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40oF

Dew Point

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25%

Humidity

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103

Ozone

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0 in

Precipitation

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101500 hPa

Pressure

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North

Wind Direction

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12%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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4%

Chance of Rain

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47oF

Dew Point

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35%

Humidity

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100

Ozone

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0 in

Precipitation

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101600 hPa

Pressure

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North

Wind Direction

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12%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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3%

Chance of Rain

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46oF

Dew Point

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37%

Humidity

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97

Ozone

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0 in

Precipitation

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101200 hPa

Pressure

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North

Wind Direction

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57%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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82%

Chance of Rain

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49oF

Dew Point

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45%

Humidity

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109

Ozone

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0.665 in

Precipitation

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100400 hPa

Pressure

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North

Wind Direction

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31%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

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89%

Chance of Rain

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59oF

Dew Point

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77%

Humidity

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102

Ozone

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0.606 in

Precipitation

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100600 hPa

Pressure

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North

Wind Direction

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82%

Cloud Cover

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07:10

Sunrise

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18:10

Sunset

Rainfall Outlook

Rainfall conditions across California are expected to be Rain Possible, with the average chance of rain reaching up to 9% and total precipitation around 0.047 in.

The highest chance of rain is expected on Wednesday, making it useful to check the latest forecast before scheduling outdoor activities, travel, or important plans.

Rainfall can have a direct impact on everyday activities, so understanding the overall precipitation trend can help you prepare in advance.

If the forecast shows a higher chance of rain, consider carrying an umbrella or rain jacket and allowing extra time for outdoor travel.

For activities such as hiking, cycling, sightseeing, or outdoor events, choosing a day with a lower rain chance can help reduce the risk of unexpected disruptions.

When planning a trip or outdoor event, don't look at the chance of rain alone.

The expected precipitation amount can provide additional context about how significant the rainfall may be.

A higher probability with limited precipitation may indicate a relatively minor rain event, while a lower probability combined with a larger expected amount could still warrant extra preparation.

Checking both indicators gives you a better basis for deciding when and where to make outdoor plans.

For outdoor activities, one useful trick is to compare rainfall conditions across several days rather than automatically choosing the earliest available day.

If one day has a higher chance of rain and another has a lower probability with less expected precipitation, shifting your plans may provide a more comfortable experience.

Checking the forecast again before leaving is also recommended because precipitation forecasts can change as new weather information becomes available.

Rainfall information is also valuable for commuting, driving, gardening, outdoor work, and events. On wetter days, plan for potentially slippery surfaces, reduced visibility, and longer travel times.

If rain is expected during a particular period, scheduling outdoor tasks earlier or later may help you avoid the wettest conditions.

Whether you're planning a short outing or organizing activities several days ahead, the rainfall outlook provides a practical way to stay prepared.

Check the latest California rainfall forecast before making outdoor plans and be ready for changing conditions.

Tue - 22
Wed - 23
Thu - 24
Fri - 25
Sat - 26
Sun - 27
Mon - 28
Tue - 29
Wed - 30
Thu - 01
sky is clear
sky is clear
sky is clear
sky is clear
few clouds
sky is clear
sky is clear
sky is clear
sky is clear
sky is clear
Max Temperature
Min Temperature
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0 in
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0 in
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0 in
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0 in
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0 in
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0 in
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0 in
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0 in
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0 in
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0 in
Precipitation
Chance of Rain

22/09/2026

84o
clear-day
Clear Sky
58oF / 85oF | Feel like 82oF
0% Rain | 0 in
Humidity32%
Vision 6.21 miles
Wind Speed5.23 mph
UV index6.67
Sunrise / Sunset 06:45 / 18:55

The UV Index in California is currently forecast at around , with conditions classified as .

This measure indicates the strength of ultraviolet radiation across the state and the potential for sun exposure.

Checking the latest UV forecast can help you plan outdoor activities and choose suitable sun protection, especially during periods of higher UV levels.

Temperature Outlook
Over the next 30 days, temperatures across California are expected to range from 63°F to 88°F, providing a broad view of temperature patterns throughout the month.

Rather than focusing on a single day, the 30-day outlook helps you identify warmer and cooler periods, prepare for changing conditions, and make better decisions for travel, outdoor activities, and everyday plans.

One useful tip is to compare temperature trends across different parts of the month.

If temperatures are expected to rise during a particular period, consider scheduling exercise, sightseeing, or other outdoor activities during the cooler morning or evening hours.

During cooler periods, adding an extra layer or planning activities around the warmer part of the day can help maintain comfort.

For travel and vacations, use the temperature outlook as an early planning tool.

For example, if you are preparing for a trip several weeks ahead, the expected temperature range can help you decide what clothing and equipment to pack.

A useful trick is to prepare layers instead of relying on one type of clothing, especially when the forecast suggests noticeable temperature changes between daytime and nighttime.

Checking a 30-day weather forecast provides invaluable strategic foresight for long-term planning, event organization, travel, and resource management.

While short-term forecasts excel at day-to-day precision, a 30-day outlook captures broader atmospheric trends, allowing individuals and businesses to anticipate major temperature swings, extended dry spells, or upcoming storm windows well in advance.

For travelers, outdoor event planners, and agricultural workers, this macro-level view helps mitigate risks, optimize scheduling, and prepare necessary resources before volatile weather shifts occur.  

However, regional weather is rarely uniform, and California presents a prime example of why broad forecasts must be paired with localized data.

California's complex terrain and unique geographical features create striking microclimates that vary drastically over short distances:

  • Diverse Geographical Landscape: The state encompasses vast coastlines, soaring mountain ranges, dense valleys, and arid deserts, driving intense local weather variations.
  • Coastal vs. Inland Temperature Swings: Regional averages can be misleading; while coastal communities like Santa Monica remain cool under a heavy marine layer, nearby inland districts like San Fernando can experience scorching, triple-digit heat on the exact same day.
  • Mountain Barriers and Fog Belts: In Northern California, coastal mountain ranges frequently trap heavy marine fog in one county while leaving adjacent inland districts under dry, blazing sunlight.

Because state-level or even county-wide averages flatten these critical variations, checking weather down to specific towns, cities, and districts in California is essential.

Hyper-local tracking allows residents and travelers to account for drastic microclimate shifts, such as localized wind gusts through mountain passes, intense heat island effects in dense urban centers, or sudden temperature drops along immediate oceanfronts.

Whether you are evaluating broader monthly trends or pinpointing local conditions in your immediate neighborhood, drill down into regional data and check weather in districts/towns in California to stay fully prepared.

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30-Day Weather Forecast articles share information about fascinating phenomena, forecasting techniques, and practical weather tips. Browse the most-viewed articles below for useful insights to help you better understand the weather.

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