Forsythe Woods County Forest Preserve Weather Forecast

    • 67
    • 84

    Partly Sunny

    • 70
    • 89

    Partly Sunny

    • 75
    • 94

    Mostly Sunny

    • 72
    • 95

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 70
    • 92

    Partly Sunny

Today 21 Jul Southern Will

Mostly cloudy late morning through mid Afternoon, then becoming partly cloudy. Hazy late in the morning. Highs in the mid 80s. East Winds around 10 Mph.

Tonight 21 Jul Southern Will

Partly cloudy. Lows in the upper 60s. East Winds 5 to 10 Mph.

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Forsythe Woods County Forest Preserve Temperature Statistics

July Temperature

Joliet Regional Airport (14.9 miles)

  • Lowest 18 July, 2025

    59.9 °F

  • Average July

    77.6 °F

  • Highest 5 July, 2025

    94.3 °F

Climate (2020–Present)

Joliet Regional Airport (14.9 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63 °F
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