Old School Forest Preserve Weather Forecast

    • 60
    • 74

    Rain Showers

    • 59
    • 83

    Chance Rain Showers

    • 67
    • 82

    Chance Rain Showers

    • 65
    • 85

    Rain Showers Likely

    • 52
    • 78

    Rain Showers Likely

    • 46
    • 65

    Partly Sunny

    • 49
    • 62

    Mostly Cloudy

Today 15 May Lake

Mostly sunny. Breezy. Highs in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 15 May Lake

Mostly clear in the Evening, then becoming cloudy. Showers and scattered Thunderstorms after midnight. Lows around 60. South Winds 10 to 15 Mph. Chance of precipitation 90 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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