Old School Forest Preserve Weather Forecast

    • 47
    • 61

    Rain Showers

    • 35
    • 54

    Rain Showers Likely

    • 40
    • 58

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 44
    • 66

    Partly Sunny

    • 46
    • 68

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

Today 15 Oct Lake

Partly cloudy. Highs in the lower 70s.

Tonight 15 Oct Lake

Cloudy. Showers and a slight chance of Thunderstorms early in the Evening, then a chance of Showers late in the evening. Breezy. Lows in the upper 40s. Southwest Winds 10 to 15 Mph, increasing to west 15 to 20 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 80 percent.

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  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 3 October, 2026

    45.6 °F

  • Average October

    64.1 °F

  • Highest 12 October, 2026

    87.1 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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