Arlington Heights Weather Forecast

    • 17
    • 27

    Increasing Clouds

    • 22
    • 41

    Slight Chance Snow

    • 23
    • 34

    Chance Snow

    • 24
    • 37

    Slight Chance Snow

    • 30
    • 51

    Partly Sunny

    • 23
    • 44

    Slight Chance Rain/Snow

Today 23 Feb Northern Cook

Mostly cloudy. A chance of Flurries. Blustery. Highs in the upper 20s. North Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 23 Feb Northern Cook

Mostly cloudy. Lows around 17. Northwest Winds 5 to 10 Mph, becoming south after midnight.

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Arlington Heights Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    1.7 °F

  • Average February

    31.6 °F

  • Highest 16 February, 2026

    65.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    61.6 °F
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