Winnetka Weather Forecast

    • 52
    • 65

    Mostly Sunny

    • 55
    • 68

    Partly Sunny

    • 50
    • 62

    Mostly Cloudy

    • 52
    • 58

    Chance Rain Showers

    • 56
    • 63

    Chance Thunderstorms

    • 61
    • 73

    Chance Thunderstorms

Today 26 Sep Cook

Sunny this Morning, then becoming partly cloudy. Much cooler. Highs in the mid 60s. West Winds 10 to 15 Mph.

Tonight 26 Sep Cook

Mostly clear. Lows in the low to mid 40s in the Suburbs. But in the lower to mid 50s Downtown. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winnetka Temperature Statistics

September Temperature

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

  • Lowest 23 September, 2018

    48 °F
  • Average September

    69.3 °F
  • Highest 20 September, 2018

    91.9 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    42.6 °F
  • Average 2010–Present

    51.3 °F
  • Average High 2010–Present

    59.3 °F
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