Middle Rock Run County Forest Preserve Weather Forecast

    • 59
    • 71

    Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 53
    • 64

    Chance Rain Showers

    • 54
    • 66

    Mostly Cloudy

    • 55
    • 69

    Mostly Cloudy

    • 54
    • 73

    Partly Sunny

Today 20 Sep Northern Will

Patchy fog early in the morning. Showers with a slight chance of Thunderstorms. Breezy. Near steady temperature in the upper 60s. Northeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 20 Sep Northern Will

Cloudy. A slight chance of Showers in the late evening and early morning. A chance of Showers late. Lows in the upper 50s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Middle Rock Run County Forest Preserve Temperature Statistics

September Temperature

Joliet Regional Airport (0.6 miles)

  • Lowest 14 September, 2026

    50 °F

  • Average September

    75.4 °F

  • Highest 2 September, 2026

    95.9 °F

Climate (2021–2026)

Joliet Regional Airport (0.6 miles)

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

  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads