Winnetka Weather Forecast

    • 23
    • 57

    Rain/Snow

    • 13
    • 25

    Snow Showers

    • 22
    • 25

    Chance Snow

    • 35
    • 42

    Partly Sunny

    • 37
    • 49

    Partly Sunny

    • 39
    • 59

    Mostly Cloudy

Today 15 Mar Northern Cook

Showers and a chance of Thunderstorms. Windy. Highs in the upper 50s. South Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of precipitation near 100 percent.

Tonight 15 Mar Northern Cook

Rain early in the evening. A chance of freezing Rain, snow and sleet late in the Evening, then snow after midnight. Patchy blowing and Drifting snow after midnight. Snow and sleet accumulation of 1 to 3 Inches. Additional ice accumulation around a trace. Windy. Lows in the lower 20s. North Winds 15 to 25 Mph with Gusts up to 35 Mph, increasing to northwest 20 to 30 Mph with Gusts up to 45 Mph after midnight. Chance of precipitation near 100 percent.

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Winnetka Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    42.3 °F

  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (8.7 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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