Winnetka Weather Forecast

    • 45
    • 53

    Partly Sunny

    • 46
    • 59

    Mostly Sunny

    • 47
    • 56

    Partly Sunny

    • 47
    • 56

    Mostly Cloudy

    • 45
    • 54

    Chance Rain

    • 44
    • 56

    Chance Rain

Today 25 Oct Northern Cook

Partly cloudy in the Morning, then becoming mostly cloudy. A slight chance of rain Showers in the late morning and afternoon. Highs in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 25 Oct Northern Cook

Partly cloudy. Lows in the lower 40s. East Winds around 5 Mph.

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Winnetka Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (8.7 miles)

  • Lowest 20 October, 2025

    37.9 °F

  • Average October

    61.3 °F

  • Highest 3 October, 2025

    89.1 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (8.7 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    61.6 °F
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