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.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cuivre Island Conservation Area Temperature Statistics

July Temperature

St. Charles, St. Charles County Smartt Airport (12.4 miles)

  • Lowest 2 July, 2025

    65.6 °F

  • Average July

    80.1 °F

  • Highest 16 July, 2025

    94.6 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    68.3 °F
Get WillyWeather+ to remove ads