Sylvan - Highlands - Southwest Hills Weather Forecast

    • 44
    • 57

    Rain

    • 43
    • 52

    Rain

    • 42
    • 52

    Chance Rain Showers

    • 43
    • 56

    Mostly Cloudy

    • 40
    • 58

    Partly Sunny

    • 40
    • 57

    Mostly Sunny

    • 41
    • 55

    Partly Sunny

Today 31 Jan West Hills and Chehalem Mountains

Mostly cloudy this Morning, then becoming mostly sunny. Patchy fog this morning. Highs in the upper 50s. Winds light.

Tonight 31 Jan West Hills and Chehalem Mountains

Mostly cloudy. Rain likely after midnight. Patchy fog after midnight. Lows in the lower 40s. Winds light. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

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Sylvan - Highlands - Southwest Hills Temperature Statistics

January Temperature

Portland, Portland International Airport (8.1 miles)

  • Lowest 25 January, 2026

    22.6 °F
  • Average January

    41.8 °F
  • Highest 15 January, 2026

    57.7 °F

Climate (2021–Present)

Portland, Portland International Airport (8.1 miles)

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  • Average Low 2021–2026

    48.3 °F
  • Average 2021–2026

    56.2 °F
  • Average High 2021–2026

    65.4 °F
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