Sylvan - Highlands - Southwest Hills Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

Today 27 Jul West Hills and Chehalem Mountains

Sunny. Highs in the lower 80s. Winds light.

Tonight 27 Jul West Hills and Chehalem Mountains

Mostly clear. Lows in the mid 50s. West wind 5 to 10 Mph, becoming light after midnight.

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Sylvan - Highlands - Southwest Hills Temperature Statistics

July Temperature

Portland, Portland International Airport (8.1 miles)

  • Lowest 2 July, 2026

    51.7 °F

  • Average July

    71.1 °F

  • Highest 21 July, 2026

    100.7 °F

Climate (2021–2026)

Portland, Portland International Airport (8.1 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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