Cook County Forest Preserve Weather Forecast

    • 34
    • 49

    Gradual Clearing

    • 36
    • 50

    Partly Sunny

    • 37
    • 53

    Mostly Sunny

    • 47
    • 54

    Rain

    • 34
    • 56

    Chance Rain

    • 27
    • 43

    Slight Chance Rain

    • 23
    • 37

    Partly Sunny

Today 21 Nov Northern Cook

Mostly cloudy. Near steady temperature in the upper 40s. North Winds around 5 Mph.

Tonight 21 Nov Northern Cook

Cloudy in the evening then clearing. Lows in the lower 30s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook County Forest Preserve Temperature Statistics

November Temperature

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

  • Lowest 10 November, 2025

    25 °F

  • Average November

    46.3 °F

  • Highest 15 November, 2025

    70 °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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