Arlington Heights Weather Forecast

    • 34
    • 49

    Mostly Cloudy

    • 35
    • 51

    Partly Sunny

    • 36
    • 53

    Partly Sunny

    • 37
    • 53

    Mostly Cloudy

    • 37
    • 58

    Mostly Sunny

    • 38
    • 58

    Mostly Sunny

    • 43
    • 60

    Mostly Cloudy

Today 25 Feb West Hills and Chehalem Mountains

Mostly sunny. Highs in the upper 40s. Light and variable Winds, becoming light this afternoon.

Tonight 25 Feb West Hills and Chehalem Mountains

Partly cloudy. Patchy frost in the Evening, then Areas of frost after midnight. Lows in the lower 30s. Winds light.

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Arlington Heights Temperature Statistics

February Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 20 February, 2026

    32.6 °F

  • Average February

    45.1 °F

  • Highest 5 February, 2026

    59.6 °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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