Scott Air Force Base/Midamerica Airport Weather Forecast
- 53
- 65
Rain Showers
- 57
- 70
Rain Showers Likely
- 55
- 80
Rain Showers
- 39
- 67
Slight Chance Rain Showers
- 46
- 67
Partly Sunny
- 58
- 78
Chance Rain Showers
Today 4 Mar St. Clair
Patchy fog this morning. Cloudy with a chance of Thunderstorms. A chance of Showers this Morning, then Showers this afternoon. Highs in the lower 60s. East Winds around 5 Mph, becoming south around 5 Mph this afternoon. Chance of rain 90 percent.
Tonight 4 Mar St. Clair
A chance of Thunderstorms. Showers. Patchy fog. Near steady temperature in the mid 50s. South Winds around 5 Mph. Chance of rain near 100 percent.
Scott Air Force Base/Midamerica Airport Temperature Statistics
March Temperature
Belleville, Scott AFB/MidAmerica Airport (0.6 miles)
Lowest 1 March, 2026
30 °FAverage March
37.8 °FHighest 1 March, 2026
47.3 °F
Climate (2021–Present)
Belleville, Scott AFB/MidAmerica Airport (0.6 miles)
Average Low 2021–2026
47.6 °FAverage 2021–2026
57.6 °FAverage High 2021–2026
67.8 °F