Weather in Forsyth, IL
Updated 2026-09-26 08:45 local time · ZIP codes 62535

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
57°20% rain
62°14% rain
66°12% rain
68°11% rain
68°10% rain
68°10% rain
69°10% rain
71°9% rain
71°9% rain
69°11% rain
66°13% rain
65°13% 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 17%).
It feels like 53°F with winds near 6 mph.
71°F, 9% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 57°F, wind 6 mph, rain chance up to 17%.
UV index is 0.
Local weather characteristics in Forsyth
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Forsyth is part of the Midwest weather region. The forecast point is near 39.93°N latitude and 88.95°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.
Forsyth weather today
Overcast and 57°F in Forsyth, IL. Today's high is 71°F with a 11% rain chance. Winds are around 6 mph with gusts near 13 mph. Relative humidity is 72%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Forsyth
Sunrise is at 06:47 AM and sunset is at 06:46 PM. Tomorrow's forecast calls for Overcast with a high near 74°F and a low near 55°F. The maximum rain chance is 7%.