Park Forest Weather Forecast

    • 50
    • 70

    Increasing Clouds

    • 53
    • 70

    Partly Sunny

    • 52
    • 72

    Mostly Sunny

    • 60
    • 73

    Mostly Cloudy

    • 62
    • 71

    Rain Showers Likely

    • 60
    • 72

    Chance Rain Showers

Today 26 Sep Southern Cook

Partly cloudy. Highs around 70. East Winds around 5 Mph.

Tonight 26 Sep Southern Cook

Mostly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Park Forest Temperature Statistics

September Temperature

Lansing Municipal Airport (8.1 miles)

  • Lowest 14 September, 2026

    47.3 °F

  • Average September

    70.9 °F

  • Highest 2 September, 2026

    94.6 °F

Climate (2021–2026)

Lansing Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.4 °F
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