Johnson County, KS Weather Forecast
County weather hub
Slight Chance Showers And Thunderstorms
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 64. East southeast wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 6:33 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Sunday looks like the warmest upcoming period in Johnson County at 92 degrees F.
Overnight is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 15 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 6:33 AM CDT
- Coverage
- 7 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
A slight chance of showers and thunderstorms before 8am. Partly sunny, with a high near 85. East southeast wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 67. East wind 5 to 8 mph.
Mostly sunny, with a high near 88. Heat index values as high as 96. East wind around 5 mph.
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. North northeast wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 65.
Sunny, with a high near 86.
Mostly clear, with a low around 65.
Mostly sunny, with a high near 88.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 91.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 74.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 24
|
Slight Chance Showers And Thunderstorms
|
64°F |
7 mph
ESE
|
|
Monday
Aug 24
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
85°F |
8 mph
ESE
|
|
Monday Night
Aug 24
|
Mostly Clear
|
67°F |
5 to 8 mph
E
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
88°F |
5 mph
E
|
|
Tuesday Night
Aug 25
|
Chance Showers And Thunderstorms
|
68°F |
3 mph
NNE
|
|
Wednesday
Aug 26
|
Chance Rain Showers
|
87°F |
2 to 7 mph
NNW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
65°F |
2 to 6 mph
N
|
|
Thursday
Aug 27
|
Sunny
|
86°F |
5 mph
N
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
65°F |
3 mph
E
|
|
Friday
Aug 28
|
Mostly Sunny
|
88°F |
6 mph
SSE
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
69°F |
5 to 8 mph
SSE
|
|
Saturday
Aug 29
|
Mostly Sunny
|
91°F |
8 to 13 mph
S
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms
|
74°F |
12 mph
S
|
|
Sunday
Aug 30
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
92°F |
15 mph
SSW
|
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.
