Johnson County, KS Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 82.
County Weather Overview
This county weather page brings together forecast coverage for Johnson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 14 of 14 mapped cities in Johnson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 25 to May 28, 2026
- Latest sync
- May 21, 2026 10:26 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Thursday looks like the warmest upcoming period in Johnson County at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 10 mph ESE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 21, 2026 10:26 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 62.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Sunny
|
82°F |
3 to 8 mph
SE
|
|
Monday Night
May 25
|
Partly Cloudy
|
62°F |
5 to 8 mph
SE
|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms
|
82°F |
6 to 10 mph
ESE
|
|
Tuesday Night
May 26
|
Chance Showers And Thunderstorms
|
64°F |
6 to 9 mph
ESE
|
|
Wednesday
May 27
|
Chance Showers And Thunderstorms
|
82°F |
7 to 10 mph
SE
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
SE
|
|
Thursday
May 28
|
Chance Showers And Thunderstorms
|
83°F |
6 to 9 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Johnson County.
Coverage
Forecast coverage currently spans 14 of 14 mapped cities in Johnson County.
Largest mapped city population in this region: 197,381.
