Columbia River - Chinook Landing Weather Forecast

    • 51
    • 70

    Gradual Clearing

    • 52
    • 70

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 55
    • 79

    Partly Sunny

Today 14 Sep East Portland Metro

Mostly cloudy in the Morning, then clearing. Highs around 70. Winds light.

Tonight 14 Sep East Portland Metro

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Winds light in the Evening, becoming light and variable.

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Columbia River - Chinook Landing Temperature Statistics

September Temperature

Portland, Portland-Troutdale Airport (1.2 miles)

  • Lowest 8 September, 2026

    48.7 °F

  • Average September

    63.7 °F

  • Highest 9 September, 2026

    88.6 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (1.2 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    65.2 °F
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