Weather in Assumption, IL
Updated 2026-09-26 10:00 local time · ZIP codes 62510

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°14% rain
64°12% rain
69°10% rain
70°9% rain
72°5% rain
74°9% rain
72°9% rain
70°10% rain
70°10% rain
68°11% rain
67°11% rain
65°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 14%).
It feels like 57°F with winds near 6 mph.
72°F, 5% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 61°F, wind 6 mph, rain chance up to 14%.
UV index is 2.
Local weather characteristics in Assumption
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Assumption is part of the Midwest weather region. The forecast point is near 39.52°N latitude and 89.05°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.
Assumption weather today
Overcast and 61°F in Assumption, IL. Today's high is 74°F with a 10% rain chance. Winds are around 6 mph with gusts near 9 mph. Relative humidity is 57%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Assumption
Sunrise is at 06:47 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Overcast with a high near 77°F and a low near 58°F. The maximum rain chance is 6%.