Edwardsville Weather Forecast
- 73
- 89
Mostly Cloudy
- 67
- 88
Rain Showers
- 56
- 73
Rain Showers Likely
- 54
- 70
Partly Sunny
- 51
- 72
Mostly Sunny
- 48
- 69
Mostly Sunny
Today 30 Sep Madison
Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 30 Sep Madison
Mostly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Edwardsville Temperature Statistics
September Temperature
St. Louis Regional Airport (6.8 miles)
Lowest 23 September, 2026
55.4 °FAverage September
73.9 °FHighest 5 September, 2026
100.4 °F
Climate (2021–2026)
St. Louis Regional Airport (6.8 miles)
Average Low 2021–2026
46.6 °FAverage 2021–2026
54.6 °FAverage High 2021–2026
66.6 °F