Cathlamet Bay - Svensen Slough Entrance Weather Forecast

    • 58
    • 70

    Becoming Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

    • 54
    • 69

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 59
    • 66

    Chance Rain

    • 56
    • 66

    Chance Rain Showers

Today 15 Sep North Oregon Coast Range Lowlands

Patchy fog this morning. Sunny. Highs in the lower 70s. North wind 5 to 10 Mph.

Tonight 15 Sep North Oregon Coast Range Lowlands

Mostly clear. Lows in the mid 50s. Northeast wind 5 to 10 Mph, becoming east after midnight.

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Cathlamet Bay - Svensen Slough Entrance Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (9.9 miles)

  • Lowest 2 September, 2025

    51.1 °F

  • Average September

    61.2 °F

  • Highest 2 September, 2025

    73.9 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    59.5 °F
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