Arlington Heights Weather Forecast

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    Rain

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    • 54

    Rain

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    Rain Likely

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    • 57

    Mostly Cloudy

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    Rain Likely

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    Chance Rain

Today 28 Jan West Hills and Chehalem Mountains

Rain. Highs in the upper 40s. South wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts around a tenth of an inch.

Tonight 28 Jan West Hills and Chehalem Mountains

Rain. Lows in the mid 40s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.

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Arlington Heights Temperature Statistics

January Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 25 January, 2026

    23 °F

  • Average January

    41.6 °F

  • Highest 15 January, 2026

    57.7 °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

    56.2 °F

  • Average High 2021–2026

    65.4 °F
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