St Charles Weather Forecast
- 40
- 60
Rain Showers
- 26
- 41
Rain Showers Likely
- 37
- 47
Breezy
- 30
- 49
Slight Chance Snow Showers
- 35
- 46
Rain Showers
- 19
- 47
Rain/Snow Likely
Today 10 Mar Kane
Mostly cloudy. Areas of dense fog in the morning. A slight chance of Thunderstorms and very light drizzle early in the afternoon. Showers Likely, a chance of Thunderstorms and drizzle late. Some Thunderstorms may be severe. Highs in the upper 50s. Temperature falling into the upper 40s in the afternoon. West Winds 5 to 10 Mph, increasing to east 10 to 15 Mph in the afternoon. Chance of precipitation 60 percent.
Tonight 10 Mar Kane
Thunderstorms likely in the evening. Showers. A chance of Thunderstorms after midnight. Patchy fog in the late evening and overnight. Some Thunderstorms may be severe. Some Thunderstorms may be severe. Lows around 40. Northeast Winds around 10 Mph, becoming north after midnight. Chance of precipitation 90 percent.
St Charles Temperature Statistics
March Temperature
Chicago / West Chicago, Dupage Airport (3.1 miles)
Lowest 1 March, 2026
17.7 °FAverage March
40.5 °FHighest 6 March, 2026
64.9 °F
Climate (2021–Present)
Chicago / West Chicago, Dupage Airport (3.1 miles)
Average Low 2021–2026
42.2 °FAverage 2021–2026
52 °FAverage High 2021–2026
61.6 °F