Cathlamet Bay - Seal Island Weather Forecast

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    Rain

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    Rain

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    Rain

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Today 3 Dec Clatsop County Coast

Mostly cloudy. Patchy fog this morning. A chance of Rain, mainly this morning. Highs in the lower 50s. Winds light this Morning, becoming light and variable. Chance of rain 40 percent.

Tonight 3 Dec Clatsop County Coast

Patchy fog. Rain after midnight. Lows in the lower 40s. Winds light. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an inch.

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Cathlamet Bay - Seal Island Temperature Statistics

December Temperature

Astoria, Astoria Regional Airport (11.8 miles)

  • Lowest 1 December, 2025

    37.4 °F

  • Average December

    38.5 °F

  • Highest 1 December, 2025

    39.2 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    59.5 °F
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