Rock Run County Forest Preserve Weather Forecast

    • 56
    • 82

    Decreasing Clouds

    • 60
    • 78

    Mostly Sunny

    • 65
    • 86

    Chance Rain Showers

    • 54
    • 76

    Chance Rain Showers

    • 53
    • 69

    Rain Showers Likely

    • 50
    • 70

    Chance Rain Showers

Today 10 Oct Northern Will

Partly cloudy. Highs in the lower 80s. South Winds 10 to 15 Mph.

Tonight 10 Oct Northern Will

Partly cloudy. Lows in the mid 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Run County Forest Preserve Temperature Statistics

October Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 5 October, 2026

    42.1 °F

  • Average October

    61.1 °F

  • Highest 7 October, 2026

    81.7 °F

Climate (2021–2026)

Joliet Regional Airport (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.3 °F
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