Columbia River - Ryan Island Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain Likely

Today 6 Dec Willapa and Wahkiakum Lowlands

Showers, mainly this morning. Highs in the mid 50s. Southwest wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 6 Dec Willapa and Wahkiakum Lowlands

Showers in the Evening, then rain after midnight. Lows in the upper 40s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an inch.

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Columbia River - Ryan Island Temperature Statistics

December Temperature

Astoria, Astoria Regional Airport (22.4 miles)

  • Lowest 1 December, 2025

    37.4 °F

  • Average December

    42.9 °F

  • Highest 4 December, 2025

    46.4 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (22.4 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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