Old School Forest Preserve Weather Forecast

    • 58
    • 84

    Partly Sunny

    • 56
    • 74

    Chance Rain Showers

    • 64
    • 73

    Chance Rain Showers

    • 61
    • 82

    Rain Showers Likely

    • 60
    • 71

    Rain Showers Likely

    • 57
    • 73

    Chance Rain Showers

Today 12 Sep Lake

Partly cloudy. Humid with Highs in the mid 80s. Southwest Winds 10 to 15 Mph, becoming west in the afternoon.

Tonight 12 Sep Lake

Partly cloudy. Less humid with Lows in the upper 50s. Northwest Winds around 5 Mph.

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Old School Forest Preserve Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    59.6 °F

  • Average September

    77.7 °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

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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