Fairview Heights, IL 62208 Monthly Weather

St. Clair County3:59 PM CDT38.60°N, 90.01°W
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October 2026

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192°/71°Avg 79°/51°
283°/65°0.18 inAvg 78°/51°
377°/51°Avg 78°/51°
482°/49°Avg 78°/50°
578°/53°Avg 77°/50°
680°/46°Avg 77°/50°
789°/49°Avg 76°/50°
886°/51°Avg 76°/49°
989°/50°Avg 76°/49°
1082°/52°Avg 75°/48°
1186°/50°Avg 75°/48°
1294°/59°Avg 74°/48°
1394°/62°Avg 74°/48°
1482°/71°0.38 inAvg 74°/47°
1582°/66°0.36 inAvg 73°/47°
1675°/53°0.04 inAvg 73°/47°
1760°/43°Avg 72°/46°
18Avg 72°/46°
19Avg 72°/46°
20Avg 71°/46°
21Avg 71°/45°
22 Sunny 77°/49°Avg 70°/45°
23 Sunny 75°/49°Avg 70°/44°
24 Mostly Sunny 76°/49°Avg 69°/44°
25 Mostly Sunny 78°/52°Avg 69°/44°
26 Partly Sunny 78°/52°Avg 68°/44°
27 Partly Sunny 73°/51°Avg 68°/43°
28 Mostly Sunny 74°/50°Avg 67°/43°
29 Cloudy 64°/43°Avg 67°/43°
30 Sunny 53°/37°Avg 66°/42°
31 Partly cloudy 60°/38°Avg 66°/42°
Average high83° (normal 76°)
Average low55° (normal 49°)
Warmest / coldest94° / 43°
Precipitation0.96 in (normal 1.51 in to date)
Record high today86° (2015)
Record low today21° (1976)

Observed: Belleville Siu Research, 17 km away, records since 1948. 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.