Winnetka Weather Forecast

    • 65
    • 71

    Patchy Fog

    • 70
    • 83

    Slight Chance Thunderstorms

    • 70
    • 82

    Partly Sunny

    • 70
    • 83

    Mostly Sunny

    • 68
    • 84

    Mostly Sunny

    • 66
    • 83

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

Today 19 Sep Cook

Mostly clear then becoming partly cloudy late. Patchy fog late in the Evening, then Areas of fog after midnight. Lows in the mid 60s. East Winds 5 to 10 Mph in the evening becoming southeast after midnight.

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Winnetka Temperature Statistics

September Temperature

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

  • Lowest 10 September, 2017

    48 °F
  • Average September

    65.4 °F
  • Highest 16 September, 2017

    89.1 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    41.4 °F
  • Average 2010–Present

    50.4 °F
  • Average High 2010–Present

    58.3 °F
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