Arlington Heights Weather Forecast

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    Rain

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    Rain Showers

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    • 48

    Rain

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    • 52

    Rain

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    Rain

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    Rain

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    Chance Rain

Today 8 Mar West Hills and Chehalem Mountains

Rain likely. Highs in the lower 50s. West wind 10 Mph. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 8 Mar West Hills and Chehalem Mountains

Mostly cloudy with a chance of rain this Evening, then partly cloudy with a chance of rain Showers after midnight. Lows in the mid 30s. West wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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Arlington Heights Temperature Statistics

March Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 1 March, 2026

    39.9 °F

  • Average March

    49.9 °F

  • Highest 2 March, 2026

    61 °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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