Forsythe Woods County Forest Preserve Weather Forecast

    • 34
    • 57

    Becoming Sunny

    • 43
    • 61

    Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

    • 52
    • 75

    Chance Rain Showers

    • 42
    • 65

    Partly Sunny

    • 46
    • 66

    Partly Sunny

    • 50
    • 70

    Chance Rain Showers

Today 6 May Southern Will

Mostly cloudy. Highs in the upper 50s. Northwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 6 May Southern Will

Mostly clear. Patchy frost after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forsythe Woods County Forest Preserve Temperature Statistics

May Temperature

Joliet Regional Airport (14.9 miles)

  • Lowest 2 May, 2026

    29.8 °F

  • Average May

    54.2 °F

  • Highest 4 May, 2026

    81.7 °F

Climate (2021–Present)

Joliet Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.3 °F
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