Sylvan - Highlands - Southwest Hills Weather Forecast

    • 54
    • 73

    Increasing Clouds

    • 52
    • 72

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 47
    • 62

    Partly Sunny

Today 5 Oct West Hills and Chehalem Mountains

Mostly sunny. Highs in the mid 70s. Winds light.

Tonight 5 Oct West Hills and Chehalem Mountains

Partly cloudy. Lows in the lower 50s. Winds light.

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Sylvan - Highlands - Southwest Hills Temperature Statistics

October Temperature

Portland, Portland International Airport (8.1 miles)

  • Lowest 1 October, 2026

    52.6 °F

  • Average October

    65.7 °F

  • Highest 1 October, 2026

    80.7 °F

Climate (2021–2026)

Portland, Portland International Airport (8.1 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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