Portland-Hillsboro Airport Weather Forecast

    • 47
    • 77

    Increasing Clouds

    • 39
    • 67

    Gradual Clearing

    • 39
    • 66

    Mostly Cloudy

    • 37
    • 61

    Areas Fog

    • 36
    • 64

    Mostly Sunny

    • 39
    • 68

    Partly Sunny

    • 37
    • 61

    Chance Rain

Today 16 Oct Tualatin Valley

Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 16 Oct Tualatin Valley

Mostly clear in the Evening, then mostly cloudy with a slight chance of rain after midnight. Lows around 50. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland-Hillsboro Airport Temperature Statistics

October Temperature

Portland-Hillsboro Airport (0 miles)

  • Lowest 12 October, 2026

    33.7 °F

  • Average October

    59.3 °F

  • Highest 4 October, 2026

    83.6 °F

Climate (2021–2026)

Portland-Hillsboro Airport (0 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    64.5 °F
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