Weather in South Pekin, IL
Updated 2026-09-26 09:00 local time · ZIP codes 61564
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°17% rain60°15% rain63°14% rain66°12% rain66°12% rain65°14% rain64°15% rain64°14% rain65°14% rain66°13% rain
64°15% rain63°15% 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 7 mph.
66°F, 12% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 58°F, wind 7 mph, rain chance up to 17%.
UV index is 1.
Local weather characteristics in South Pekin
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
South Pekin is part of the Midwest weather region. The forecast point is near 40.49°N latitude and 89.65°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.
South Pekin weather today
Overcast and 58°F in South Pekin, IL. Today's high is 66°F with a 13% rain chance. Winds are around 7 mph with gusts near 11 mph. Relative humidity is 67%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in South Pekin
Sunrise is at 06:50 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Sunny with a high near 74°F and a low near 57°F. The maximum rain chance is 17%.