Old School Forest Preserve Weather Forecast

    • 60
    • 79

    Mostly Sunny

    • 63
    • 81

    Increasing Clouds

    • 69
    • 82

    Chance Rain Showers

    • 73
    • 87

    Chance Rain Showers

    • 74
    • 88

    Chance Thunderstorms

    • 71
    • 87

    Chance Rain Showers

    • 70
    • 86

    Chance Rain Showers

Today 27 Aug Lake

Partly cloudy. A slight chance of Showers. Near steady temperature in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 27 Aug Lake

Mostly clear. Lows around 60. East Winds around 5 Mph in the Evening, becoming light and variable.

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Old School Forest Preserve Temperature Statistics

August Temperature

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

  • Lowest 25 August, 2026

    55.9 °F

  • Average August

    73.1 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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