Old School Forest Preserve Weather Forecast

    • 59
    • 67

    Increasing Clouds

    • 54
    • 65

    Mostly Cloudy

    • 53
    • 66

    Partly Sunny

    • 53
    • 67

    Partly Sunny

    • 55
    • 68

    Partly Sunny

    • 60
    • 71

    Rain Showers Likely

Today 24 Sep Lake

Partly cloudy. Near steady temperature in the mid 60s. East Winds 5 to 10 Mph.

Tonight 24 Sep Lake

Mostly cloudy. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph.

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Old School Forest Preserve Temperature Statistics

September Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 14 September, 2026

    50.6 °F

  • Average September

    71.6 °F

  • Highest 2 September, 2026

    96.7 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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