Columbia River - Chinook Landing Weather Forecast

    • 52
    • 77

    Decreasing Clouds

    • 54
    • 81

    Mostly Sunny

    • 58
    • 78

    Chance Rain

    • 53
    • 71

    Slight Chance Thunderstorms

    • 55
    • 77

    Mostly Sunny

    • 58
    • 78

    Chance Rain

Today 18 Sep East Portland Metro

Partly sunny this Morning, then clearing. Highs in the upper 70s. Northwest wind 5 to 10 Mph.

Tonight 18 Sep East Portland Metro

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. Northwest wind 5 to 10 Mph.

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Columbia River - Chinook Landing Temperature Statistics

September Temperature

Portland, Portland-Troutdale Airport (1.2 miles)

  • Lowest 15 September, 2025

    46.9 °F

  • Average September

    67.2 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (1.2 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
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