Arlington Heights Weather Forecast

    • 37
    • 51

    Mostly Cloudy

    • 53
    • 69

    Mostly Cloudy

    • 31
    • 75

    Chance Rain Showers

    • 28
    • 43

    Mostly Sunny

    • 37
    • 53

    Partly Sunny

    • 45
    • 59

    Partly Sunny

    • 48
    • 64

    Chance Rain Showers

Today 24 Mar Northern Cook

Mostly cloudy. Highs in the lower 50s. South Winds 5 to 10 Mph.

Tonight 24 Mar Northern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 30s. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Arlington Heights Temperature Statistics

March Temperature

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

  • Lowest 17 March, 2026

    13.6 °F

  • Average March

    41.3 °F

  • Highest 21 March, 2026

    76.6 °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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