Old School Forest Preserve Weather Forecast

    • 52
    • 70

    Mostly Cloudy

    • 54
    • 70

    Clearing Late

    • 54
    • 69

    Sunny

    • 60
    • 76

    Mostly Sunny

    • 67
    • 86

    Mostly Cloudy

    • 67
    • 85

    Rain Showers Likely

    • 66
    • 83

    Chance Thunderstorms

Today 31 May Lake

Mostly cloudy. Temperatures in the upper 60s. East Winds 5 to 10 Mph.

Tonight 31 May Lake

Mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    58.5 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

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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