Sullivan, IN Weather Forecast
Local 7-day forecast
Isolated Rain Showers then Isolated Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivan, IN in one place.
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.
Local Weather Overview
This forecast page for Sullivan, IN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 8:55 PM EDT.
The active forecast window currently covers Jun 1 to Jun 6, 2026 for Sullivan, IN.
Page Snapshot
- Page focus
- city 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
Friday looks like the warmest upcoming period in Sullivan 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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan.