Weather in Osco, IL
Updated 2026-09-26 11:45 local time · ZIP codes 61274
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°15% rain63°14% rain64°14% rain64°14% rain65°13% rain65°14% rain64°18% rain
62°18% rain
61°15% rain60°15% rain
60°11% rain59°14% 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 18%).
It feels like 55°F with winds near 8 mph.
65°F, 13% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 11 mph.
Current temperature is 60°F, wind 8 mph, rain chance up to 18%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Osco
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Osco is part of the Midwest weather region. The forecast point is near 41.35°N latitude and 90.28°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.
Osco weather today
Overcast and 60°F in Osco, IL. Today's high is 65°F with a 16% rain chance. Winds are around 8 mph with gusts near 11 mph. Relative humidity is 63%, pressure is 30.19 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Osco
Sunrise is at 06:52 AM and sunset is at 06:52 PM. Tomorrow's forecast calls for Overcast with a high near 70°F and a low near 55°F. The maximum rain chance is 17%.