St Charles Weather Forecast
- 45
- 75
Partly Sunny
- 28
- 46
Slight Chance Rain Showers
- 30
- 47
Partly Sunny
- 38
- 56
Mostly Cloudy
- 45
- 55
Mostly Cloudy
- 31
- 64
Chance Rain Showers
Today 21 Mar Kane
Mostly sunny. Breezy. Temperatures in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 21 Mar Kane
Partly cloudy. Lows in the mid 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.
St Charles Temperature Statistics
March Temperature
Chicago / West Chicago, Dupage Airport (3.1 miles)
Lowest 17 March, 2026
12.7 °FAverage March
39.9 °FHighest 9 March, 2026
72.6 °F
Climate (2021–Present)
Chicago / West Chicago, Dupage Airport (3.1 miles)
Average Low 2021–2026
42.2 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
61.5 °F