Old School Forest Preserve Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 50
    • 66

    Mostly Sunny

    • 58
    • 77

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

Today 27 May Lake

Mostly sunny. Highs in the lower 80s Inland, but only in the lower 70s near the lake. Northeast Winds 5 to 10 Mph.

Tonight 27 May Lake

Clear. Lows in the mid 50s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • 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

    57.2 °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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