Arlington Heights Weather Forecast

    • 12
    • 27

    Chance Snow Showers

    • 17
    • 24

    Chance Snow

    • 34
    • 36

    Rain

    • 17
    • 36

    Slight Chance Snow

    • 9
    • 25

    Chance Snow

    • 2
    • 18

    Slight Chance Snow

    • 0
    • 11

    Mostly Cloudy

Today 7 Dec Northern Cook

Mostly cloudy late in the Morning, then becoming partly cloudy. Patchy blowing and Drifting snow. Temperature falling to around 19 in the afternoon. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 7 Dec Northern Cook

Mostly cloudy. Isolated snow Showers early in the Evening, then scattered snow Showers in the late evening and early morning. Little or no snow accumulation. Near steady temperature around 15. North Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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Arlington Heights Temperature Statistics

December Temperature

Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)

  • Lowest 4 December, 2025

    6.1 °F

  • Average December

    20.6 °F

  • Highest 1 December, 2025

    30 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    61.5 °F
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