Multnomah Channel - Gilmore Lake Landing Weather Forecast

    • 47
    • 65

    Mostly Cloudy

    • 46
    • 70

    Becoming Sunny

    • 50
    • 69

    Partly Sunny

    • 54
    • 69

    Slight Chance Rain

    • 51
    • 68

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 49
    • 68

    Partly Sunny

Today 26 Sep Lower Columbia River

Mostly sunny. Highs in the mid 60s. North wind 5 to 10 Mph.

Tonight 26 Sep Lower Columbia River

Mostly cloudy. Lows in the upper 40s. North 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 18 September, 2026

    45.6 °F

  • Average September

    62.2 °F

  • Highest 9 September, 2026

    87.7 °F

Climate (2021–2026)

Scappoose Industrial Airpark (1.9 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.4 °F
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