Multnomah Channel - Gilmore Lake Landing Weather Forecast

    • 49
    • 71

    Rain Showers Likely

    • 55
    • 75

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

    • 52
    • 75

    Slight Chance Rain Showers

    • 50
    • 73

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

Today 14 Sep Lower Columbia River

Mostly cloudy in the Morning, then becoming mostly sunny. A 50 percent chance of Showers. Highs around 70. Southwest wind 5 to 10 Mph, becoming west in the afternoon. Rainfall Amounts around a tenth of an inch.

Tonight 14 Sep Lower Columbia River

Mostly clear in the Evening, then becoming partly cloudy. Lows around 50. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Multnomah Channel - Gilmore Lake Landing Temperature Statistics

September Temperature

Scappoose Industrial Airpark (1.9 miles)

  • Lowest 8 September, 2025

    53.1 °F

  • Average September

    68.1 °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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