Cuivre Island Conservation Area Weather Forecast
- 74
- 87
Isolated Thunderstorms
- 77
- 92
Slight Chance Thunderstorms
- 77
- 97
Hot
- 75
- 97
Hot
- 75
- 92
Chance Thunderstorms
- 76
- 93
Chance Thunderstorms
- 75
- 94
Mostly Sunny
Today 21 Jul St. Charles
Partly sunny. Near steady temperature in the mid 80s. East Winds around 5 Mph.
Tonight 21 Jul St. Charles
Partly cloudy. A slight chance of Showers and Thunderstorms. Lows in the lower 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent.
Cuivre Island Conservation Area Temperature Statistics
July Temperature
St. Charles, St. Charles County Smartt Airport (12.4 miles)
Lowest 2 July, 2025
65.6 °FAverage July
80.1 °FHighest 16 July, 2025
94.6 °F
Climate (2020–Present)
St. Charles, St. Charles County Smartt Airport (12.4 miles)
Average Low 2020–2025
47.3 °FAverage 2020–2025
57.6 °FAverage High 2020–2025
68.3 °F