Weather in Augusta, IL
Updated 2026-09-26 11:00 local time · ZIP codes 62311

Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
61°17% rain
61°15% rain
61°16% rain
63°13% rain
67°19% rain
67°14% rain
66°12% rain
64°15% rain
63°16% rain
62°14% rain
61°12% rain
60°12% 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 19%).
It feels like 56°F with winds near 7 mph.
66°F, 12% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 61°F, wind 7 mph, rain chance up to 19%.
UV index is 1.
Local weather characteristics in Augusta
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Augusta is part of the Midwest weather region. The forecast point is near 40.23°N latitude and 90.95°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.
Augusta weather today
Patchy rain nearby and 61°F in Augusta, IL. Today's high is 67°F with a 36% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 58%, pressure is 30.16 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Augusta
Sunrise is at 06:55 AM and sunset is at 06:54 PM. Tomorrow's forecast calls for Cloudy with a high near 73°F and a low near 59°F. The maximum rain chance is 21%.