Weather in Oconee, IL
Updated 2026-09-26 10:00 local time · ZIP codes 62553
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°14% rain64°12% rain69°10% rain70°9% rain
72°5% rain73°9% rain72°9% rain70°10% rain70°10% rain
68°11% rain67°11% rain65°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 56°F with winds near 6 mph.
72°F, 5% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 61°F, wind 6 mph, rain chance up to 14%.
UV index is 2.
Local weather characteristics in Oconee
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Oconee is part of the Midwest weather region. The forecast point is near 39.29°N latitude and 89.11°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.
Oconee weather today
Overcast and 61°F in Oconee, IL. Today's high is 73°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 Oconee
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%.