Old School Forest Preserve Weather Forecast

    • 69
    • 84

    Rain Showers

    • 67
    • 79

    Rain Showers Likely

    • 47
    • 80

    Rain Showers Likely

    • 42
    • 57

    Partly Sunny

    • 47
    • 59

    Partly Sunny

    • 51
    • 65

    Mostly Cloudy

    • 55
    • 69

    Mostly Cloudy

Today 17 May Lake

Mostly cloudy. Temperatures in the mid 80s, except in the 60s at the far northeast lakeshore. A slight chance of Showers. Breezy. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 17 May Lake

Partly cloudy. A chance of Showers late. Breezy. Lows in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 30 percent.

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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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