Fort Kaskaskia State Park Weather Forecast

    • 71
    • 97

    Slight Chance Thunderstorms

    • 69
    • 99

    Slight Chance Thunderstorms

    • 67
    • 95

    Partly Sunny

    • 66
    • 94

    Mostly Sunny

    • 66
    • 95

    Partly Sunny

    • 65
    • 90

    Chance Rain Showers

    • 62
    • 89

    Slight Chance Thunderstorms

Today 13 Sep Randolph

Mostly sunny with isolated Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 13 Sep Randolph

Mostly clear. A slight chance of Showers and Thunderstorms this evening. Lows around 70. South Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Kaskaskia State Park Temperature Statistics

September Temperature

Sparta Community-Hunter Field Airport (16.2 miles)

  • Lowest 8 September, 2025

    48.6 °F

  • Average September

    70.1 °F

  • Highest 11 September, 2025

    91.9 °F

Climate (2020–Present)

Sparta Community-Hunter Field Airport (16.2 miles)

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

  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    66.8 °F
Get WillyWeather+ to remove ads