Old School Forest Preserve Weather Forecast

    • 59
    • 83

    Chance Rain Showers

    • 67
    • 82

    Chance Rain Showers

    • 66
    • 85

    Rain Showers Likely

    • 51
    • 83

    Rain Showers Likely

    • 44
    • 63

    Partly Sunny

    • 47
    • 61

    Mostly Cloudy

Today 16 May Lake

Mostly cloudy in the Morning, then becoming partly cloudy. A slight chance of Showers early in the morning. A slight chance of Showers and Thunderstorms late. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 16 May Lake

Mostly cloudy. A slight chance of Showers in the evening. A slight chance of Thunderstorms. A chance of Showers after midnight. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of precipitation 40 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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