Hayden Mountain Airport Weather Forecast

    • 55
    • 76

    Sunny

    • 53
    • 83

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

Today 16 Sep West Hills and Chehalem Mountains

Sunny. Highs in the upper 70s. Northeast wind 5 to 10 Mph.

Tonight 16 Sep West Hills and Chehalem Mountains

Clear. Lows in the mid 50s. North wind 5 to 10 Mph.

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Hayden Mountain Airport Temperature Statistics

September Temperature

Portland-Hillsboro Airport (8.1 miles)

  • Lowest 11 September, 2026

    45.6 °F

  • Average September

    61.9 °F

  • Highest 9 September, 2026

    89.7 °F

Climate (2021–2026)

Portland-Hillsboro Airport (8.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.3 °F
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