Old School Forest Preserve Weather Forecast

    • 46
    • 71

    Sunny

    • 48
    • 68

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 51
    • 69

    Mostly Cloudy

    • 52
    • 71

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 46
    • 61

    Slight Chance Rain Showers

Today 21 Oct Lake

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 60s.

Tonight 21 Oct Lake

Clear. Patchy fog after midnight. Lows in the mid 40s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.9 °F

  • Highest 12 October, 2026

    88.6 °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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