Cuivre Island Conservation Area Weather Forecast

    • 77
    • 92

    Slight Chance Thunderstorms

    • 77
    • 97

    Hot

    • 75
    • 97

    Hot

    • 75
    • 92

    Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

Today 22 Jul St. Charles

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 108.

Tonight 22 Jul St. Charles

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106 early in the evening.

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