Cook County Forest Preserve Weather Forecast

    • 35
    • 41

    Slight Chance Snow

    • 34
    • 49

    Mostly Sunny

    • 39
    • 54

    Partly Sunny

    • 46
    • 56

    Partly Sunny

    • 50
    • 65

    Chance Rain

    • 38
    • 60

    Chance Rain

Today 11 Nov Northern Cook

Cloudy in the Morning, then becoming partly cloudy. A chance of snow in the morning. Little or no snow accumulation. Breezy. Highs in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 30 percent.

Tonight 11 Nov Northern Cook

Partly cloudy in the Evening, then becoming mostly clear. Near steady temperature in the mid 30s. West Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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Cook County Forest Preserve Temperature Statistics

November Temperature

Chicago, Chicago-O'Hare International Airport (2.5 miles)

  • Lowest 6 November, 2025

    36 °F

  • Average November

    49.3 °F

  • Highest 7 November, 2025

    63 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (2.5 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.8 °F
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