Cook County Forest Preserve Weather Forecast

    • 52
    • 62

    Decreasing Clouds

    • 36
    • 59

    Mostly Sunny

    • 49
    • 57

    Mostly Cloudy

    • 40
    • 61

    Slight Chance Rain

    • 36
    • 50

    Chance Rain

    • 26
    • 41

    Partly Sunny

Today 4 Nov Northern Cook

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 60s. Southwest Winds 5 to 10 Mph, increasing to south 10 to 15 Mph in the afternoon.

Tonight 4 Nov Northern Cook

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds 10 to 15 Mph, increasing to southwest 15 to 20 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 1 November, 2025

    41 °F

  • Average November

    44.6 °F

  • Highest 1 November, 2025

    50 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.8 °F
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