Maple Island Conservation Area Weather Forecast
- 70
- 90
Rain Showers
- 66
- 86
Mostly Sunny
- 69
- 89
Mostly Sunny
- 72
- 92
Mostly Sunny
- 74
- 94
Partly Sunny
- 75
- 95
Chance Thunderstorms
- 73
- 93
Chance Thunderstorms
Today 30 Jun St. Charles
Partly sunny with scattered Showers and Thunderstorms. Near steady temperature in the upper 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 30 Jun St. Charles
Mostly cloudy. Numerous Showers and scattered Thunderstorms this Evening, then isolated Showers and Thunderstorms after midnight. Lows around 70. Northwest Winds 5 to 10 Mph. Chance of rain 60 percent.
Maple Island Conservation Area Temperature Statistics
June Temperature
St. Louis Regional Airport (6.2 miles)
Lowest 2 June, 2025
55.6 °FAverage June
73.1 °FHighest 25 June, 2025
95 °F
Climate (2020–Present)
St. Louis Regional Airport (6.2 miles)
Average Low 2020–2025
46 °FAverage 2020–2025
53.8 °FAverage High 2020–2025
65.9 °F