Old School Forest Preserve Weather Forecast

    • 67
    • 80

    Chance Thunderstorms

    • 66
    • 76

    Chance Thunderstorms

    • 67
    • 77

    Rain Showers Likely

    • 70
    • 81

    Rain Showers Likely

    • 64
    • 81

    Slight Chance Thunderstorms

    • 61
    • 77

    Partly Sunny

Today 12 Aug Lake

Mostly cloudy. A chance of Thunderstorms late in the morning. A chance of Showers. A slight chance of Thunderstorms in the afternoon. Near steady temperature in the upper 70s. North Winds around 5 Mph, becoming west in the afternoon. Chance of precipitation 40 percent.

Tonight 12 Aug Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. Northeast Winds around 5 Mph.

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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

    73.7 °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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