Goose Lake Prairie State Park Weather Forecast

    • 36
    • 59

    Sunny

    • 39
    • 66

    Sunny

    • 42
    • 69

    Mostly Sunny

    • 45
    • 73

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

Today 17 Oct Grundy

Partly cloudy. Highs in the mid 70s.

Tonight 17 Oct Grundy

Clear. Patchy frost after midnight. Lows in the mid 30s. South Winds around 5 Mph.

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Goose Lake Prairie State Park Temperature Statistics

October Temperature

Joliet Regional Airport (13.7 miles)

  • Lowest 5 October, 2026

    42.1 °F

  • Average October

    64 °F

  • Highest 12 October, 2026

    89.6 °F

Climate (2021–2026)

Joliet Regional Airport (13.7 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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