Old School Forest Preserve Weather Forecast

    • 61
    • 76

    Partly Sunny

    • 63
    • 77

    Partly Sunny

    • 71
    • 87

    Slight Chance Thunderstorms

    • 62
    • 88

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 61
    • 80

    Partly Sunny

Today 6 Sep Lake

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the mid 70s. East Winds 5 to 10 Mph.

Tonight 6 Sep Lake

Partly cloudy. Lows around 60. 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 1 September, 2026

    72.6 °F

  • Average September

    83.6 °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

    61.6 °F
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