Arlington Heights Weather Forecast

    • 41
    • 62

    Becoming Sunny

    • 49
    • 71

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 47
    • 74

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 41
    • 62

    Mostly Sunny

Today 3 Apr West Hills and Chehalem Mountains

Areas of frost this morning. Sunny. Highs in the upper 50s. Winds light.

Tonight 3 Apr West Hills and Chehalem Mountains

Mostly clear. Lows around 40. Winds light.

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Arlington Heights Temperature Statistics

April Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 1 April, 2026

    44.1 °F

  • Average April

    48.5 °F

  • Highest 1 April, 2026

    55.9 °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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