St Charles Weather Forecast
- 65
- 94
Increasing Clouds
- 65
- 92
Partly Sunny
- 66
- 88
Chance Thunderstorms
- 65
- 88
Chance Thunderstorms
- 64
- 86
Chance Rain Showers
- 62
- 83
Chance Rain Showers
Today 19 Sep Hopkins
Mostly sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.
Tonight 19 Sep Hopkins
Mostly clear. Near steady temperature in the mid 60s. Southeast Winds around 5 Mph.
St Charles Temperature Statistics
September Temperature
Madisonville Municipal Airport (14.3 miles)
Lowest 8 September, 2025
41.7 °FAverage September
70.9 °FHighest 14 September, 2025
95.5 °F
Climate (2020–Present)
Madisonville Municipal Airport (14.3 miles)
Average Low 2020–2025
49.3 °FAverage 2020–2025
59.4 °FAverage High 2020–2025
69.7 °F