Arlington Heights Weather Forecast

    • 44
    • 52

    Rain

    • 41
    • 50

    Rain

    • 38
    • 49

    Rain

    • 37
    • 51

    Rain/Snow Likely

    • 43
    • 50

    Rain Likely

    • 45
    • 63

    Chance Rain

    • 48
    • 67

    Chance Rain

Today 11 Mar West Hills and Chehalem Mountains

Rain, breezy with Highs in the lower 50s. Southwest wind 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an inch.

Tonight 11 Mar West Hills and Chehalem Mountains

Rain, breezy with Lows in the lower 40s. Southwest wind 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent. Rainfall Amounts around one inch.

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Arlington Heights Temperature Statistics

March Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 9 March, 2026

    37.9 °F

  • Average March

    50.3 °F

  • Highest 2 March, 2026

    62.7 °F

Climate (2021–Present)

Portland, Portland International Airport (6.8 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.5 °F
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