Old School Forest Preserve Weather Forecast

    • 63
    • 78

    Mostly Cloudy

    • 65
    • 81

    Mostly Sunny

    • 68
    • 83

    Mostly Sunny

    • 70
    • 87

    Mostly Sunny

    • 72
    • 85

    Mostly Sunny

    • 71
    • 85

    Mostly Sunny

Today 10 Jul Lake

Mostly cloudy. Patchy fog early in the morning. Highs around 80 Inland, but only in the mid 70s near the lake. Northeast Winds 5 to 10 Mph.

Tonight 10 Jul Lake

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. North 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 7 July, 2026

    62.1 °F

  • Average July

    77.8 °F

  • Highest 1 July, 2026

    95.6 °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

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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