Hayden Mountain Airport Weather Forecast

    • 37
    • 51

    Mostly Cloudy

    • 37
    • 53

    Partly Sunny

    • 43
    • 52

    Cloudy

    • 40
    • 57

    Mostly Cloudy

    • 44
    • 54

    Rain Likely

    • 43
    • 55

    Rain Likely

    • 41
    • 55

    Chance Rain

Today 31 Oct West Hills and Chehalem Mountains

Mostly cloudy with a 30 percent chance of rain. Highs in the upper 50s.

Tonight 31 Oct West Hills and Chehalem Mountains

Mostly cloudy this Evening, then becoming partly cloudy. Lows around 40. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hayden Mountain Airport Temperature Statistics

October Temperature

Portland-Hillsboro Airport (8.1 miles)

  • Lowest 24 October, 2026

    29.6 °F

  • Average October

    56.1 °F

  • Highest 4 October, 2026

    83.6 °F

Climate (2021–2026)

Portland-Hillsboro Airport (8.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    64.5 °F
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