Cook County Forest Preserve Weather Forecast

    • 22
    • 34

    Increasing Clouds

    • 33
    • 41

    Mostly Cloudy

    • 37
    • 48

    Mostly Cloudy

    • 34
    • 47

    Chance Rain

    • 32
    • 47

    Rain Likely

    • 27
    • 40

    Mostly Cloudy

Today 22 Feb Northern Cook

Sunny. Highs in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Feb Northern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 20s. Southwest Winds 5 to 10 Mph.

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Cook County Forest Preserve Temperature Statistics

February Temperature

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

  • Lowest 18 February, 2025

    -4.3 °F

  • Average February

    24.9 °F

  • Highest 2 February, 2025

    43.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61.6 °F
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