Northbrook Weather Forecast

    • 30
    • 36

    Increasing Clouds

    • 32
    • 38

    Mostly Cloudy

    • 13
    • 46

    Rain

    • 22
    • 28

    Mostly Cloudy

    • 23
    • 42

    Mostly Cloudy

    • 27
    • 34

    Mostly Cloudy

Today 16 Dec Northern Cook

Partly cloudy. Highs in the mid 30s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 16 Dec Northern Cook

Mostly cloudy. Lows around 30. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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Northbrook Temperature Statistics

December Temperature

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

  • Lowest 13 December, 2025

    1.9 °F

  • Average December

    23 °F

  • Highest 10 December, 2025

    39 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
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