Johnson County, IN Weather Forecast
County weather hub
Sunny
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 87. East northeast wind around 6 mph.
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 8 of 8 mapped cities in Johnson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 5:06 PM EDT
- Forecast office
- IND
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Wednesday looks like the warmest upcoming period in Johnson County at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Friday at about 3 to 9 mph WSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 11, 2026 5:06 PM EDT
- Coverage
- 4 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IND
- Radar station
- KIND
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 69. South southeast wind 0 to 5 mph.
Sunny, with a high near 89. West wind 0 to 5 mph.
Mostly clear, with a low around 72. West southwest wind around 5 mph.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 8am. Sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
87°F |
6 mph
ENE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
0 to 5 mph
SSE
|
|
Wednesday
Jul 15
|
Sunny
|
89°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
5 mph
WSW
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
2 to 7 mph
WSW
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
3 to 7 mph
WSW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
88°F |
3 to 9 mph
WSW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
70°F |
5 to 9 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Johnson County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Johnson County.
Largest mapped city population in this region: 60,279.
