Maple Island Conservation Area Weather Forecast
- 52
- 75
Sunny
- 58
- 81
Partly Sunny
- 58
- 82
Partly Sunny
- 57
- 81
Partly Sunny
- 58
- 80
Partly Sunny
- 59
- 82
Partly Sunny
Today 26 Aug St. Charles
Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.
Tonight 26 Aug St. Charles
Clear. Lows in the lower 50s. Northeast Winds around 5 Mph.
Maple Island Conservation Area Temperature Statistics
August Temperature
St. Louis Regional Airport (6.2 miles)
Lowest 3 August, 2025
56.7 °FAverage August
74.2 °FHighest 16 August, 2025
95 °F
Climate (2020–Present)
St. Louis Regional Airport (6.2 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
53.9 °FAverage High 2020–2025
66 °F