Weather in Sullivan, IN
Updated 2026-09-26 12:45 local time · ZIP codes 47882

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
69°10% rain
74°7% rain
75°1% rain
76°3% rain
77°1% rain
75°1% rain
71°9% rain
66°10% rain
64°10% rain
63°10% rain
61°12% rain
59°11% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 64°F with winds near 6 mph.
75°F, 1% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 20 mph.
Current temperature is 69°F, wind 6 mph, rain chance up to 12%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Sullivan
Indiana has a humid continental-to-subtropical transition, with warm humid summers, cold winters and frequent changes as weather systems move through the Midwest.
Sullivan is part of the Midwest weather region. The forecast point is near 39.10°N latitude and 87.41°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sullivan weather today
Overcast and 69°F in Sullivan, IN. Today's high is 77°F with a 8% rain chance. Winds are around 6 mph with gusts near 7 mph. Relative humidity is 39%, pressure is 30.16 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sullivan
Sunrise is at 07:41 AM and sunset is at 07:40 PM. Tomorrow's forecast calls for Overcast with a high near 76°F and a low near 53°F. The maximum rain chance is 10%.