Weather in Sullivan, WI
Updated 2026-08-11 10:15 local time · ZIP codes 53178
Moderate rain
No government weather alerts were returned for this location at the latest update.
Next hours
71°89% rain
72°93% rain
73°38% rain77°41% rain
79°9% rain83°8% rain83°7% rain82°7% rain80°8% rain78°9% rain75°12% rain
73°12% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 93% over the next 12 hours.
It feels like 75°F with winds near 7 mph.
78°F, 9% rain chance and 3 mph wind.
Visibility is around 3 mi; gusts may reach 13 mph.
Current temperature is 71°F, wind 7 mph, rain chance up to 93%.
UV index is 1.
Sullivan weather today
Moderate rain and 71°F in Sullivan, WI. Today's high is 83°F with a 78% rain chance. Winds are around 7 mph with gusts near 13 mph. Relative humidity is 90%, pressure is 29.89 inHg, and visibility is about 3 miles.
Tonight and tomorrow in Sullivan
Sunrise is at 05:56 AM and sunset is at 08:03 PM. Tomorrow's forecast calls for Mist with a high near 83°F and a low near 67°F. The maximum rain chance is 68%.