Today Hourly Tomorrow 3 days 5 days 7 days 10 days 15 days 20 days 30 days

Tomorrow Weather - Portsmouth

20/08/2026

Light rain

13^o/20^o

Real feel 14^o / 18^o

52% rain | 0.79 mm

Humidity

59%

Vision

10 km

Wind Speed

34.488 km/h

UV Index

3.85

Sunrise / Sunset

00:59 / 15:16

Weather Outlook for Portsmouth

20/08/2026

20^oC

13^oC

Light rain

59%

34.488 km/h

52%

Chance of Rain

11^oC

Dew Point

59%

Humidity

Ozone

0.79 mm

Precipitation

100600 hPa

Pressure

North North East

Wind Direction

16%

Cloud Cover

05:08

Sunrise

20:08

Sunset

21/08/2026

21^oC

12^oC

Scattered clouds

38%

19.731 km/h

Chance of Rain

5^oC

Dew Point

38%

Humidity

Ozone

0 mm

Precipitation

101400 hPa

Pressure

North North East

Wind Direction

43%

Cloud Cover

06:08

Sunrise

20:08

Sunset

22/08/2026

20^oC

13^oC

Few clouds

44%

22.064 km/h

Chance of Rain

6^oC

Dew Point

44%

Humidity

Ozone

0 mm

Precipitation

102200 hPa

Pressure

North North East

Wind Direction

15%

Cloud Cover

06:08

Sunrise

20:08

Sunset

23/08/2026

21^oC

13^oC

Clear sky

44%

14.935 km/h

Chance of Rain

7^oC

Dew Point

44%

Humidity

102

Ozone

0 mm

Precipitation

102400 hPa

Pressure

North

Wind Direction

Cloud Cover

06:08

Sunrise

20:08

Sunset

24/08/2026

22^oC

15^oC

Cloudy, overcast

43%

32.106 km/h

Chance of Rain

8^oC

Dew Point

43%

Humidity

Ozone

0 mm

Precipitation

101600 hPa

Pressure

North North East

Wind Direction

99%

Cloud Cover

06:08

Sunrise

20:08

Sunset

25/08/2026

25^oC

16^oC

Cloudy, overcast

53%

30.787 km/h

Chance of Rain

13^oC

Dew Point

53%

Humidity

Ozone

0 mm

Precipitation

100900 hPa

Pressure

North North East

Wind Direction

100%

Cloud Cover

06:08

Sunrise

20:08

Sunset

Today 3 days 5 days 7 days 10 days 20 days 30 days

Temperature & Rainfall Outlook for Portsmouth

Wed - 19

Thu - 20

Fri - 21

Sat - 22

Sun - 23

Mon - 24

Tue - 25

Max Temperature

Min Temperature

3.86 mm

0.79 mm

0 mm

Precipitation

Chance of Rain

Radar

Tomorrow Weather - Portsmouth

Weather Outlook for Portsmouth

Temperature & Rainfall Outlook for Portsmouth

Current Weather in Portsmouth

Radar

Top Stories

Weather Elements Explained: The Essential Components of Our Climate

What Is Graupel? Differences Between Graupel, Hail, and Sleet

What Is A Nor'easter? Definitions, Weather Effects And Safety Tips