Forsythe Woods County Forest Preserve Weather Forecast

    • 61
    • 88

    Partly Sunny

    • 53
    • 76

    Chance Rain Showers

    • 66
    • 76

    Partly Sunny

    • 66
    • 88

    Rain Showers Likely

    • 64
    • 80

    Rain Showers Likely

    • 59
    • 80

    Chance Rain Showers

Today 12 Sep Southern Will

Partly cloudy. Humid with Highs in the mid 80s. Southwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 12 Sep Southern Will

Partly cloudy. Near steady temperature in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forsythe Woods County Forest Preserve Temperature Statistics

September Temperature

Joliet Regional Airport (14.9 miles)

  • Lowest 7 September, 2026

    60.1 °F

  • Average September

    79.1 °F

  • Highest 2 September, 2026

    95.9 °F

Climate (2021–2026)

Joliet Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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