Sullivan County, IN Weather Forecast
County weather hub
Isolated Rain Showers then Isolated Showers And Thunderstorms
Compare major city weather across Sullivan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Isolated rain showers between 8am and 2pm, then isolated showers and thunderstorms. Mostly sunny, with a high near 81. East northeast wind around 5 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 Sullivan County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Sullivan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 1 to Jun 6, 2026
- Latest sync
- May 30, 2026 8:55 PM EDT
- Forecast office
- IND
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan County
Friday looks like the warmest upcoming period in Sullivan County at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 8:55 PM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IND
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Isolated rain showers before 8pm. Mostly clear, with a low around 58. Northeast wind around 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 79. Northeast wind 5 to 10 mph.
Clear, with a low around 54. Northeast wind 3 to 9 mph.
Sunny, with a high near 79. East northeast wind around 6 mph.
Mostly clear, with a low around 56. East southeast wind around 5 mph.
Sunny, with a high near 82. South wind 2 to 6 mph.
Mostly clear, with a low around 62.
Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Isolated Rain Showers then Isolated Showers And Thunderstorms
|
81°F |
5 mph
ENE
|
|
Monday Night
Jun 1
|
Isolated Rain Showers then Mostly Clear
|
58°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
79°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
54°F |
3 to 9 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
6 mph
ENE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
5 mph
ESE
|
|
Thursday
Jun 4
|
Sunny
|
82°F |
2 to 6 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
62°F |
6 mph
SSW
|
|
Friday
Jun 5
|
Mostly Sunny
|
85°F |
6 to 10 mph
SSW
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms
|
67°F |
9 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
85°F |
10 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across Sullivan County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Sullivan County.
Largest mapped city population in this region: 4,089.
