Forsythe Woods County Forest Preserve Weather Forecast

    • 35
    • 57

    Sunny

    • 38
    • 64

    Sunny

    • 41
    • 70

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 48
    • 75

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

Today 17 Oct Southern Will

Sunny. Highs in the upper 50s. North Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 17 Oct Southern Will

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

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  • Temperature Real-Time

Forsythe Woods County Forest Preserve Temperature Statistics

October Temperature

Joliet Regional Airport (14.9 miles)

  • Lowest 5 October, 2026

    42.1 °F

  • Average October

    64.1 °F

  • Highest 12 October, 2026

    89.6 °F

Climate (2021–2026)

Joliet Regional Airport (14.9 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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