Today Weather in Johnson, Kansas
Johnson can expect a temperature range of 66°F to 90°F today.
Rain chances stand at approximately 0%, while winds are moving at around 19 mph.
Conditions may vary from morning to evening.
12/10/2026, --:--
Clear Sky
89oF
66oF
/
90oF
| Feel like
86oF
0% Rain
|
0 in
Humidity
26%
Vision
6.21 miles
Wind Speed
19.44 mph
UV index
1.96
Sunrise / Sunset
07:52
/
19:14
🌡️ Johnson County Thermal Index & Hourly Trend
In Johnson County, outdoor thermal comfort shifts rapidly as moisture from the Kansas River Basin interacts with continental wind fronts across Overland Park, Olathe, and Lenexa.
⏱️ Real-Feel vs. Actual Temperature Breakdown
Actual Air Temperature: Ranging from a morning/overnight low of 66°F to a daytime high of 90°F.
Real-Feel Index: Currently hovering near 90°F. Ambient humidity along low-lying drainage creeks like Tomahawk Creek increases the heat index during summer, while winter wind gusts along I-35 and I-435 significantly drive down wind chill.
Hourly Temperature Curve: Temperatures climb steadily following sunrise, peaking in the mid-to-late afternoon before cooling post-sunset.
💡 Commuter Tip: Check real-feel updates during peak transit hours (7:00 AM – 9:00 AM & 4:00 PM – 6:00 PM) to adjust vehicle climate control and outfit choices along the I-35 corridor.
👉 Check local weather: View Johnson County Hourly Temperature Graph, Humidity Levels & Radar
17:00
18:00
19:00
20:00
21:00
22:00
23:00
00:00
01:00
02:00
0 in
0 in
0 in
0 in
0 in
0 in
0 in
0 in
0 in
0 in
Temperature
Chance of Rain
Precipitation
🌧️ Johnson County Hourly Precipitation Outlook & Timing
In Johnson County, rain development evolves rapidly as moisture corridors cross the Kansas River Basin. Tracking hourly rain probabilities ensures safer commutes along I-35 and better planning for outdoor activities across Overland Park, Olathe, and Shawnee.
⏱️ Hourly Rain & Accumulation Highlights
☔ Peak Precipitation Window: Highest rain probability reaches 0% around 17:00, with baseline hourly chances starting near 0%.
💧 Forecast Accumulation: Expected hourly rainfall volume ranges up to 0 in during active shower passes.
🚗 Commute & Drainage Impact: Brief convective downpours can cause localized water pooling along low-lying drainage zones near Indian Creek and Tomahawk Creek.
👉 Plan ahead: View Johnson 7-day Weather Forecast
12/10/2026
90oF
66oF
Clear Sky
28%
19.77 mph
0%
Chance of Rain
53oF
Dew Point
28%
Humidity
100
Ozone
0 in
Precipitation
101000 hPa
Pressure
North North East
Wind Direction
0%
Cloud Cover
07:10
Sunrise
19:10
Sunset
13/10/2026
90oF
60oF
Clear Sky
25%
15.32 mph
0%
Chance of Rain
47oF
Dew Point
25%
Humidity
99
Ozone
0 in
Precipitation
100700 hPa
Pressure
North North East
Wind Direction
0%
Cloud Cover
07:10
Sunrise
19:10
Sunset
14/10/2026
61oF
54oF
Light Rain
73%
11.86 mph
100%
Chance of Rain
49oF
Dew Point
73%
Humidity
108
Ozone
0.017 in
Precipitation
101800 hPa
Pressure
North
Wind Direction
100%
Cloud Cover
07:10
Sunrise
19:10
Sunset
15/10/2026
64oF
49oF
Moderate Rain
53%
20.24 mph
100%
Chance of Rain
45oF
Dew Point
53%
Humidity
94
Ozone
0.224 in
Precipitation
102300 hPa
Pressure
North North East
Wind Direction
82%
Cloud Cover
07:10
Sunrise
19:10
Sunset
16/10/2026
56oF
43oF
Cloudy, Overcast
42%
14.72 mph
0%
Chance of Rain
21oF
Dew Point
42%
Humidity
90
Ozone
0 in
Precipitation
104100 hPa
Pressure
North North East
Wind Direction
100%
Cloud Cover
07:10
Sunrise
19:10
Sunset
17/10/2026
67oF
39oF
Clear Sky
31%
14.72 mph
0%
Chance of Rain
25oF
Dew Point
31%
Humidity
107
Ozone
0 in
Precipitation
102700 hPa
Pressure
North North East
Wind Direction
0%
Cloud Cover
07:10
Sunrise
19:10
Sunset
18/10/2026
76oF
52oF
Scattered Clouds
33%
16.22 mph
18%
Chance of Rain
41oF
Dew Point
33%
Humidity
103
Ozone
0 in
Precipitation
101300 hPa
Pressure
North North East
Wind Direction
25%
Cloud Cover
07:10
Sunrise
19:10
Sunset
📅 Johnson County 7-Day Temperature & Rainfall Outlook
Extended weather across Johnson County reflects shifting continental air masses moving through the Kansas River Basin.
Tracking weekly thermal bounds and rainfall timing helps optimize outdoor plans and daily travel across Overland Park, Olathe, and Lenexa.
⏱️ 7-Day Meteorological Trends
🌡️ Temperature Fluctuations: Weekly daytime highs will peak near 90°F with morning/overnight lows dipping to 66°F.
🌧️ Precipitation Outlook: Daily rain probabilities range from 0% up to a weekly peak of 0% around 17:00.
💧 Maximum Expected Volume: Peak shower windows could yield up to 0 in inches of rainfall, potentially causing brief surface runoff near low-lying drainage basins like Indian Creek.
Mon
-
12
Tue
-
13
Wed
-
14
Thu
-
15
Fri
-
16
Sat
-
17
Sun
-
18
Max Temperature
Min Temperature
0 in
0 in
0.017 in
0.224 in
0 in
0 in
0 in
Precipitation
Chance of Rain
Air Quality Today in Johnson, Kansas
The Air Quality Index (AQI) shows how clean or polluted the air is and what that may mean for your health.
Today, Johnson, Kansas has an AQI of 27, placing air quality in the Good category.
Health Advice
- Enjoy outdoor activities as usual.
- Open windows to improve indoor ventilation.
- No special precautions are generally needed.
Check hourly AQI forecast in Johnson →
752
7
4.8
18/08/2026
Sunset and Sunrise
- 17:00
1.96 - 18:000.67
- 19:000
- 20:000
- 21:000
- 22:000
- 23:000
UV Index Today in Johnson, Kansas
The UV Index measures the level of ultraviolet radiation from the sun and indicates the potential risk of skin and eye damage.
Today, Johnson, Kansas has a UV Index of 9, indicating Very high UV exposure.
UV Protection Tips
- Avoid prolonged exposure to direct sunlight.
- Reapply sunscreen regularly.
- Stay in the shade during peak UV hours.
View full UV forecast for Johnson →
12/10
Waxing Crescent
13/10
Waxing Crescent
14/10
Waxing Crescent
15/10
Waxing Crescent
16/10
Waxing Crescent
17/10
Waxing Crescent
18/10
Waxing Crescent
Moon Phase Today in Johnson, Kansas
The Moon today in Johnson, Kansas is in the Waxing Crescent phase, with 2% illumination.
Moon Watching Tips
- Look for the Moon after sunset.
- A crescent shape is visible in the western sky.
- A good time to watch the Moon grow each evening.
Check Johnson's moon phase on upcoming days!
🌤️ Typical Climate & Seasonal Weather in Johnson County, KS
Johnson County, Kansas experiences a humid subtropical climate typical of the central Great Plains, characterized by hot, humid summers, cold winters, and volatile transitional seasons.
Situated in northeastern Kansas along the Kansas River Basin—and serving as a key hub of the Kansas City Metropolitan Area—Johnson County's weather is heavily influenced by moisture moving north from the Gulf of Mexico colliding with dry polar air masses.
⏱️ Seasonal Weather & Local Impacts
🌡️ Summer (Jun – Aug): Hot and muggy conditions with daytime highs routinely reaching 85°F to 92°F+. High relative humidity along Tomahawk Creek and Indian Creek pushes heat index values significantly higher, triggering spotty convective afternoon thunderstorms.
🍂 Fall (Sep – Nov): Mild, comfortable temperatures with rapidly declining humidity—ideal for outdoor recreation across Shawnee Mission Park and Corporate Woods.
❄️ Winter (Dec – Feb): Cold and dry with frequent sub-freezing daytime highs (30°F – 40°F). Arctic cold fronts bringing gusty prairie winds along the I-35 and I-435 corridors create severe wind chill hazards and occasional snow or ice accumulation.
⛈️ Spring (Mar – May): Highly volatile weather bringing widespread convective thunderstorm activity, high winds, and seasonal severe weather risks across Overland Park, Olathe, and Lenexa.
💡 Local Travel Note: Rapid temperature swings following cold front passages can create sudden icy bridge decks over local waterways like Mill Creek during late fall and winter commutes.
👉 Check local weather: View Live Johnson County Doppler Radar, Hourly Forecast & Johnson 10-Day Outlook
Johnson County, KS: Geography & Local Climate Impact
Located in northeastern Kansas as the core suburban anchor of the Kansas City Metropolitan Area, Johnson County spans 480 square miles of gently rolling plains bounded by the Kansas River to the north.
Positioned without natural mountain barriers, local weather is driven by the rapid convergence of Canadian polar fronts and warm Gulf moisture across major urban nodes like Overland Park, Olathe, Shawnee, and Lenexa.
🗺️ Micro-Climate Drivers Across Johnson County
Plains Wind Exposure: Open topography allows strong pressure-gradient winds to sweep unimpeded across major transit lines, boosting wind chill in winter and rapid evaporation in summer along I-35, I-435, and US-69.
River Basin Drainage & Flash Runoff: Low-lying zones near the Kansas River Basin, Indian Creek, and Tomahawk Creek experience elevated localized humidity during summer and elevated flash-ponding hazards during intense spring downpours.
Suburban Heat Island Effect: Extensive commercial paving across Corporate Woods and major retail corridors retains daytime thermal energy, keeping evening temperatures slightly warmer than surrounding rural acreage in southern Johnson County.
🚗 Outdoor Recreation & Local Travel Impact
🏃 Outdoor Recreation Window: Mid-morning and late-afternoon hours provide optimal thermal comfort for outdoor activities at Shawnee Mission Park, Decarsky Park, and Heritage Park.
🌧️ Commute Safety Note: Rapid frontal shifts can produce localized standing water near Mill Creek bridges during heavy rains or sudden icing during winter transitional periods.
Frequently Asked Questions
1. What is the weather like in Johnson, Kansas today?
Today, Johnson is expected to have temperatures between 66°F and 90°F, with conditions around Clear Sky.
2, Will it rain in Johnson, Kansas today?
The chance of rain today ranges from 0% to 0%, with the highest chance around 17:00.
3, How windy will it be in Johnson today?
Winds are expected to reach around 19 mph, although speeds may vary throughout the day.
4, What is the UV Index in Johnson today?
The UV Index is 7, indicating High UV exposure.
5, What is the 7-day weather forecast for Johnson?
Temperatures over the next seven days are expected to range from 66°F to 90°F, with rain possible on rainy days.
6, Is Johnson, Kansas usually windy?
Yes. Johnson's open High Plains landscape makes wind a common feature of local weather, particularly during periods of changing weather.
7, What is the hottest month in Johnson, Kansas?
July is typically the hottest month, with average daytime temperatures reaching the low 90s°F.
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