Multnomah Channel - Chapman Landing Weather Forecast

    • 58
    • 75

    Increasing Clouds

    • 61
    • 73

    Rain Showers

    • 57
    • 70

    Rain Showers Likely

    • 57
    • 73

    Mostly Cloudy

    • 57
    • 75

    Mostly Cloudy

    • 58
    • 77

    Slight Chance Rain Showers

Today 7 Sep Lower Columbia River

Mostly cloudy with drizzle likely this Morning, then partly sunny this afternoon. Highs in the mid 70s. Winds light.

Tonight 7 Sep Lower Columbia River

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Multnomah Channel - Chapman Landing Temperature Statistics

September Temperature

Scappoose Industrial Airpark (1.9 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    71.1 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Scappoose Industrial Airpark (1.9 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.3 °F
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