Old School Forest Preserve Weather Forecast

    • 61
    • 78

    Partly Sunny

    • 63
    • 81

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 66
    • 83

    Rain Showers Likely

    • 65
    • 79

    Chance Thunderstorms

    • 63
    • 80

    Mostly Sunny

Today 28 Jul Lake

Partly cloudy. Patchy fog in the morning. Patchy drizzle in the morning. Highs in the upper 70s Inland, but only in the mid 70s near the lake. North Winds 10 to 15 Mph.

Tonight 28 Jul Lake

Partly cloudy. Lows around 60. North Winds 5 to 10 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

    54.6 °F

  • Average July

    76.5 °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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