Saint Charles Weather Forecast
- 38
- 67
Sunny
- 34
- 55
Mostly Sunny
- 37
- 49
Mostly Cloudy
- 34
- 61
Slight Chance Rain
- 36
- 51
Chance Rain
- 48
- 58
Rain Showers Likely
Today 19 Mar St. Charles
Sunny. Not as cool with Highs in the mid 60s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.
Tonight 19 Mar St. Charles
Clear. Not as cool with Lows in the upper 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph after midnight.
Saint Charles Temperature Statistics
March Temperature
St. Louis Lambert International Airport (6.2 miles)
Lowest 10 March, 2024
30.8 °FAverage March
55.4 °FHighest 13 March, 2024
80.7 °F
Climate (2019–Present)
St. Louis Lambert International Airport (6.2 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
50 °FAverage 2019–2024
58.9 °FAverage High 2019–2024
68.2 °F