Arlington Heights Weather Forecast

    • 22
    • 58

    Rain/Sleet

    • 11
    • 25

    Blizzard

    • 21
    • 25

    Chance Snow

    • 32
    • 44

    Partly Sunny

    • 37
    • 54

    Partly Sunny

    • 38
    • 56

    Mostly Cloudy

Today 15 Mar Northern Cook

A slight chance of Showers early in the Morning, then Showers with a slight chance of Thunderstorms in the late morning and afternoon. Windy with Highs in the upper 50s. South Winds 15 to 20 Mph, becoming 15 to 25 Mph in the afternoon. Gusts up to 40 Mph. Chance of precipitation near 100 percent.

Tonight 15 Mar Northern Cook

Rain Showers early in the Evening, then rain with a chance of sleet late in the evening. Snow in the late evening and overnight. Patchy blowing and Drifting snow after midnight. Snow and sleet accumulation of 1 to 3 Inches. Windy with Lows in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph, increasing to 20 to 30 Mph with Gusts up to 45 Mph after midnight. Chance of precipitation near 100 percent.

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Arlington Heights Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    42.4 °F

  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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