Forsythe Woods County Forest Preserve Weather Forecast

    • 14
    • 22

    Snow Likely

    • 25
    • 29

    Mostly Cloudy

    • 11
    • 32

    Chance Snow

    • 12
    • 21

    Partly Sunny

    • 15
    • 26

    Mostly Cloudy

    • 16
    • 28

    Mostly Cloudy

Today 29 Dec Southern Will

Cloudy. A chance of Flurries. Windy. Highs in the lower 20s. Northwest Winds 20 to 30 Mph, Diminishing to 15 to 25 Mph in the afternoon. Gusts up to 40 Mph.

Tonight 29 Dec Southern Will

Cloudy, Blustery with Lows around 14. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forsythe Woods County Forest Preserve Temperature Statistics

December Temperature

Joliet Regional Airport (14.9 miles)

  • Lowest 5 December, 2025

    -1.1 °F

  • Average December

    28.8 °F

  • Highest 18 December, 2025

    51.8 °F

Climate (2020–Present)

Joliet Regional Airport (14.9 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63.1 °F
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