Cook County Forest Preserve Weather Forecast

    • 30
    • 51

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 46
    • 58

    Partly Sunny

    • 45
    • 61

    Partly Sunny

    • 50
    • 61

    Mostly Cloudy

Today 15 Nov Northern Cook

Mostly sunny. Highs around 50. Northwest Winds around 5 Mph.

Tonight 15 Nov Northern Cook

Mostly clear. Lows around 30. Light and variable Winds, becoming southwest around 5 Mph after midnight.

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Cook County Forest Preserve Temperature Statistics

November Temperature

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

  • Lowest 7 November, 2026

    33.7 °F

  • Average November

    51.4 °F

  • Highest 3 November, 2026

    72.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62 °F
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