Sylvan - Highlands - Southwest Hills Weather Forecast

    • 47
    • 60

    Mostly Cloudy

    • 47
    • 68

    Partly Sunny

    • 47
    • 69

    Mostly Sunny

    • 43
    • 58

    Partly Sunny

    • 41
    • 56

    Partly Sunny

    • 44
    • 56

    Chance Rain

Today 19 Oct West Hills and Chehalem Mountains

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 60s. Winds light.

Tonight 19 Oct West Hills and Chehalem Mountains

Mostly cloudy. Lows in the mid 40s. North wind 5 to 10 Mph.

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Sylvan - Highlands - Southwest Hills Temperature Statistics

October Temperature

Portland, Portland International Airport (8.1 miles)

  • Lowest 12 October, 2026

    39.7 °F

  • Average October

    61.7 °F

  • Highest 4 October, 2026

    82.7 °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

    56.4 °F

  • Average High 2021–2026

    65.5 °F
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