Old School Forest Preserve Weather Forecast

    • 72
    • 83

    Rain Showers

    • 74
    • 88

    Chance Rain Showers

    • 74
    • 90

    Slight Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

    • 67
    • 83

    Slight Chance Thunderstorms

    • 65
    • 82

    Partly Sunny

Today 30 Aug Lake

Numerous Showers and a slight chance of Thunderstorms. Temperatures in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 60 percent.

Tonight 30 Aug Lake

Mostly cloudy. Showers likely late in the evening. A slight chance of Thunderstorms. A chance of Showers after midnight. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph. Chance of precipitation 60 percent.

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  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

August Temperature

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

  • Lowest 24 August, 2026

    56.6 °F

  • Average August

    73.2 °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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