Alameda - Irvington Weather Forecast

    • 56
    • 68

    Decreasing Clouds

    • 52
    • 70

    Partly Sunny

    • 55
    • 75

    Mostly Cloudy

    • 53
    • 73

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 29 Sep Inner Portland Metro

Mostly cloudy. Highs around 70. Winds light.

Tonight 29 Sep Inner Portland Metro

Mostly cloudy with a 20 percent chance of rain. Lows in the mid 50s. Winds light.

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Alameda - Irvington Temperature Statistics

September Temperature

Portland, Portland International Airport (3.7 miles)

  • Lowest 26 September, 2026

    47.6 °F

  • Average September

    64.1 °F

  • Highest 9 September, 2026

    88.6 °F

Climate (2021–2026)

Portland, Portland International Airport (3.7 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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