Cathlamet Bay - Svensen Island Weather Forecast

    • 56
    • 68

    Sunny

    • 57
    • 69

    Mostly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 52
    • 64

    Partly Sunny

    • 54
    • 68

    Partly Sunny

    • 54
    • 65

    Mostly Cloudy

Today 16 Sep Clatsop County Coast

Sunny. Highs in the upper 70s. Winds Light, becoming north 10 to 15 Mph this afternoon.

Tonight 16 Sep Clatsop County Coast

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

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  • Temperature Real-Time

Cathlamet Bay - Svensen Island Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (11.2 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 (11.2 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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