Old School Forest Preserve Weather Forecast

    • 74
    • 78

    Rain Showers Likely

    • 66
    • 85

    Chance Thunderstorms

    • 63
    • 79

    Partly Sunny

    • 65
    • 82

    Rain Showers Likely

    • 59
    • 76

    Partly Sunny

    • 59
    • 75

    Partly Sunny

    • 61
    • 77

    Slight Chance Rain Showers

Today 15 Aug Lake

Mostly cloudy. A slight chance of Showers and Thunderstorms. Temperatures in the upper 70s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 15 Aug Lake

Mostly cloudy. A chance of Showers early in the Evening, then a slight chance of Showers late in the evening. A chance of Showers and Thunderstorms after midnight. Near steady temperature in the lower 70s. South Winds around 5 Mph, becoming southwest after midnight. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    73.9 °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

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.6 °F
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