Arlington Heights Weather Forecast

    • 47
    • 72

    Increasing Clouds

    • 40
    • 50

    Rain Showers

    • 28
    • 42

    Rain Showers Likely

    • 38
    • 46

    Rain Likely

    • 31
    • 49

    Breezy

    • 36
    • 45

    Rain Likely

    • 20
    • 46

    Rain/Snow Likely

Today 9 Mar Northern Cook

Sunny. Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Mar Northern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog late. Lows in the mid 40s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arlington Heights Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    22.6 °F

  • Average March

    39.6 °F

  • Highest 6 March, 2026

    64.9 °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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