Charleston, IL 61920 Monthly Weather

Coles County6:50 PM CDT39.49°N, 88.18°W
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
193°/70°Avg 76°/51°
284°/56°0.13 inAvg 75°/51°
377°/39°Avg 75°/50°
483°/39°Avg 74°/50°
578°/38°Avg 74°/50°
679°/45°Avg 74°/49°
791°/48°Avg 73°/49°
885°/46°Avg 73°/48°
989°/44°Avg 72°/48°
1081°/54°Avg 72°/48°
1185°/52°Avg 71°/47°
1292°/56°Avg 71°/47°
1394°/67°Avg 70°/47°
1486°/65°0.03 inAvg 70°/46°
1576°/63°0.51 inAvg 70°/46°
1673°/43°0.06 inAvg 69°/46°
1760°/32°<0.01 inAvg 68°/45°
1867°/34°Avg 68°/45°
1973°/37°Avg 68°/44°
20 Sunny 71°/42°Avg 67°/44°
21 Sunny 72°/43°Avg 67°/44°
22 Sunny 74°/46°Avg 66°/44°
23 Sunny 72°/44°Avg 66°/43°
24 Mostly Sunny 72°/48°Avg 65°/43°
25 Mostly Sunny 75°/48°Avg 65°/42°
26 Mostly Sunny 73°/46°Avg 64°/42°
27 Cloudy 63°/48°Avg 64°/42°
28 Cloudy 59°/47°Avg 63°/41°
29 Cloudy 60°/50°Avg 63°/41°
30Avg 62°/41°
31Avg 62°/40°
Average high81° (normal 72°)
Average low49° (normal 48°)
Warmest / coldest94° / 32°
Precipitation0.73 in (normal 2.38 in to date)
Record high today88° (1953)
Record low today22° (1930)

Observed: Charleston, 2 km away, records since 1896. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.