Arlington Heights Weather Forecast

    • 55
    • 79

    Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 58
    • 87

    Partly Sunny

    • 57
    • 82

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

Today 12 Jul West Hills and Chehalem Mountains

Sunny. Highs in the upper 70s. North wind 5 to 10 Mph.

Tonight 12 Jul West Hills and Chehalem Mountains

Clear. Lows in the lower 50s. North wind 5 to 10 Mph.

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Arlington Heights Temperature Statistics

July Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 2 July, 2026

    51.7 °F

  • Average July

    68.9 °F

  • Highest 6 July, 2026

    89.7 °F

Climate (2021–2026)

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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