Charlack Weather Forecast
- 67
- 93
Mostly Sunny
- 68
- 93
Mostly Sunny
- 69
- 94
Chance Rain Showers
- 67
- 85
Chance Thunderstorms
- 68
- 84
Chance Rain Showers
- 69
- 86
Chance Rain Showers
Today 16 Sep St. Louis
Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph.
Tonight 16 Sep St. Louis
Mostly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.
Charlack Temperature Statistics
September Temperature
St. Louis Lambert International Airport (3.7 miles)
Lowest 7 September, 2025
52 °FAverage September
72.5 °FHighest 14 September, 2025
97 °F
Climate (2020–Present)
St. Louis Lambert International Airport (3.7 miles)
Average Low 2020–2025
50.3 °FAverage 2020–2025
59.7 °FAverage High 2020–2025
69.1 °F