Grant Creek Prairie Nature Preserve Weather Forecast

    • 57
    • 87

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 63
    • 88

    Slight Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

    • 65
    • 83

    Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

Today 17 Sep Southern Will

Mostly sunny. Highs in the upper 80s. Northeast Winds around 5 Mph.

Tonight 17 Sep Southern Will

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Creek Prairie Nature Preserve Temperature Statistics

September Temperature

Joliet Regional Airport (9.9 miles)

  • Lowest 7 September, 2025

    40.1 °F

  • Average September

    64.9 °F

  • Highest 14 September, 2025

    88.5 °F

Climate (2020–Present)

Joliet Regional Airport (9.9 miles)

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

  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63 °F
Get WillyWeather+ to remove ads