Old School Forest Preserve Weather Forecast

    • 58
    • 84

    Chance Thunderstorms

    • 68
    • 75

    Chance Thunderstorms

    • 68
    • 83

    Rain Showers

    • 49
    • 83

    Rain Showers Likely

    • 43
    • 60

    Mostly Cloudy

    • 46
    • 58

    Partly Sunny

    • 50
    • 61

    Partly Sunny

Today 16 May Lake

Mostly sunny early in the Afternoon, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late. Highs in the mid 80s Inland, but only around 80 near the lake. West Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 16 May Lake

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the upper 50s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of precipitation 50 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

    51.7 °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

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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