Sandy Island Conservation Area Weather Forecast

    • 76
    • 94

    Becoming Sunny

    • 77
    • 96

    Partly Sunny

    • 76
    • 95

    Chance Thunderstorms

    • 72
    • 92

    Thunderstorms Likely

    • 69
    • 84

    Thunderstorms Likely

    • 68
    • 84

    Chance Thunderstorms

Today 9 Aug Lincoln

Mostly sunny. Humid with Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 104.

Tonight 9 Aug Lincoln

Mostly clear. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 104 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Island Conservation Area Temperature Statistics

August Temperature

St. Charles, St. Charles County Smartt Airport (16.2 miles)

  • Lowest 3 August, 2026

    63.6 °F

  • Average August

    74.6 °F

  • Highest 4 August, 2026

    88.6 °F

Climate (2021–2026)

St. Charles, St. Charles County Smartt Airport (16.2 miles)

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

  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    69 °F
Get WillyWeather+ to remove ads