Old School Forest Preserve Weather Forecast

    • 71
    • 80

    Decreasing Clouds

    • 76
    • 91

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 64
    • 82

    Partly Sunny

    • 65
    • 83

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

Today 25 Jul Lake

Mostly cloudy. Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 25 Jul Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph.

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Old School Forest Preserve Temperature Statistics

July Temperature

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

  • Lowest 23 July, 2026

    55 °F

  • Average July

    76.8 °F

  • Highest 14 July, 2026

    97.6 °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

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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