Old School Forest Preserve Weather Forecast

    • 69
    • 81

    Chance Rain Showers

    • 67
    • 83

    Rain Showers Likely

    • 49
    • 81

    Rain Showers Likely

    • 44
    • 58

    Partly Sunny

    • 47
    • 58

    Partly Sunny

    • 52
    • 63

    Mostly Cloudy

Today 17 May Lake

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms in the Morning, then a slight chance of Showers early in the afternoon. Breezy. Highs in the lower 80s. East Winds 10 to 15 Mph, increasing to south 15 to 20 Mph in the afternoon. Gusts up to 30 Mph. Chance of precipitation 50 percent.

Tonight 17 May Lake

Partly cloudy. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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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

    52.4 °F

  • Highest 4 May, 2026

    81.6 °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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