Rock Run County Forest Preserve Weather Forecast

    • 60
    • 79

    Increasing Clouds

    • 69
    • 82

    Partly Sunny

    • 74
    • 91

    Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 67
    • 91

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 69
    • 89

    Slight Chance Thunderstorms

Today 24 Jul Northern Will

Partly cloudy. Temperatures in the upper 70s. South Winds around 5 Mph.

Tonight 24 Jul Northern Will

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Run County Forest Preserve Temperature Statistics

July Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 22 July, 2026

    54.7 °F

  • Average July

    78.5 °F

  • Highest 2 July, 2026

    94.6 °F

Climate (2021–2026)

Joliet Regional Airport (1.2 miles)

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

  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads