Columbia River - McGowan Weather Forecast

    • 57
    • 75

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 56
    • 65

    Mostly Cloudy

    • 55
    • 66

    Partly Sunny

    • 56
    • 63

    Partly Sunny

    • 56
    • 63

    Partly Sunny

    • 54
    • 63

    Partly Sunny

Today 16 Sep South Washington Coast

Sunny. Highs in the upper 70s. North wind 10 to 15 Mph.

Tonight 16 Sep South Washington Coast

Mostly clear. Lows in the mid 50s. North wind 5 to 10 Mph.

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Columbia River - McGowan Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (6.2 miles)

  • Lowest 8 September, 2026

    48.7 °F

  • Average September

    60.4 °F

  • Highest 9 September, 2026

    77.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    59.9 °F
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