Arlington Heights Weather Forecast

    • 30
    • 48

    Increasing Clouds

    • 39
    • 44

    Rain

    • 38
    • 51

    Rain

    • 32
    • 43

    Rain

    • 32
    • 42

    Rain/Snow

    • 31
    • 40

    Rain/Snow Likely

Today 29 Jan West Hills and Chehalem Mountains

Widespread frost this morning. Sunny. Highs in the upper 40s. Light and variable Winds.

Tonight 29 Jan West Hills and Chehalem Mountains

Clear in the Evening, then becoming partly cloudy. Areas of frost in the evening. Patchy dense fog. Widespread frost after midnight. Lows in the upper 20s. Light and variable Winds.

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Arlington Heights Temperature Statistics

January Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 22 January, 2025

    25.8 °F

  • Average January

    41.5 °F

  • Highest 6 January, 2025

    56.6 °F

Climate (2020–Present)

Portland, Portland International Airport (6.8 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    65 °F
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