St Charles Weather Forecast
- 69
- 87
Partly Sunny
- 71
- 85
Rain Showers Likely
- 73
- 87
Rain Showers Likely
- 75
- 91
Chance Thunderstorms
- 77
- 95
Slight Chance Thunderstorms
- 76
- 96
Slight Chance Thunderstorms
- 74
- 95
Slight Chance Thunderstorms
Today 26 Jul St. Charles
Partly sunny with a 20 percent chance of Showers. Near steady temperature in the mid 80s. East Winds around 5 Mph.
Tonight 26 Jul St. Charles
Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 60s. East Winds around 5 Mph.
St Charles Temperature Statistics
July Temperature
St. Louis Lambert International Airport (7.5 miles)
Lowest 1 July, 2024
61.6 °FAverage July
79.5 °FHighest 15 July, 2024
98.7 °F
Climate (2019–Present)
St. Louis Lambert International Airport (7.5 miles)
Average Low 2019–2024
50.2 °FAverage 2019–2024
59.2 °FAverage High 2019–2024
68.5 °F