Weather in Chesterfield, IL
Updated 2026-09-26 11:00 local time · ZIP codes 62630
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
63°12% rain64°12% rain63°13% rain62°13% rain62°13% rain63°13% rain63°13% rain
64°14% rain
63°14% rain62°17% rain
61°11% rain61°9% 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 59°F with winds near 5 mph.
64°F, 12% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 63°F, wind 5 mph, rain chance up to 17%.
UV index is 1.
Local weather characteristics in Chesterfield
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Chesterfield is part of the Midwest weather region. The forecast point is near 39.26°N latitude and 90.06°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.
Chesterfield weather today
Overcast and 63°F in Chesterfield, IL. Today's high is 64°F with a 14% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 53%, pressure is 30.16 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Chesterfield
Sunrise is at 06:51 AM and sunset is at 06:51 PM. Tomorrow's forecast calls for Sunny with a high near 77°F and a low near 58°F. The maximum rain chance is 5%.