Old School Forest Preserve Weather Forecast

    • 63
    • 79

    Rain Showers

    • 58
    • 77

    Partly Sunny

    • 62
    • 77

    Mostly Sunny

    • 62
    • 81

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 63
    • 79

    Rain Showers Likely

Today 9 Sep Lake

Mostly cloudy. Numerous Showers early in the morning. A slight chance of Thunderstorms in the morning. Scattered Showers late in the morning. Humid with Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 9 Sep Lake

Partly cloudy. Lows in the lower 60s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

September Temperature

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

  • Lowest 6 September, 2026

    64 °F

  • Average September

    80.4 °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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