Cathlamet Bay - Seal Island Weather Forecast

    • 40
    • 52

    Mostly Sunny

    • 38
    • 52

    Mostly Sunny

    • 38
    • 48

    Partly Sunny

    • 38
    • 48

    Slight Chance Rain

    • 38
    • 48

    Chance Rain

    • 40
    • 49

    Chance Rain

Today 19 Jan Clatsop County Coast

Sunny. Highs in the mid 50s. East wind 5 to 10 Mph.

Tonight 19 Jan Clatsop County Coast

Mostly clear. Lows in the upper 30s. Winds light.

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Cathlamet Bay - Seal Island Temperature Statistics

January Temperature

Astoria, Astoria Regional Airport (11.8 miles)

  • Lowest 10 January, 2026

    34 °F

  • Average January

    46 °F

  • Highest 17 January, 2026

    57 °F

Climate (2021–Present)

Astoria, Astoria Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.5 °F
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