Columbia River - Elochoman Slough Weather Forecast

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    Rain Showers

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    Rain Showers

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    Rain

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    Rain Showers Likely

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    Rain Showers Likely

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    Rain Showers Likely

Today 20 Dec Willapa and Wahkiakum Lowlands

Rain Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs around 50. Southwest wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 20 Dec Willapa and Wahkiakum Lowlands

Rain Showers likely with a slight chance of Thunderstorms in the Evening, then rain Showers after midnight. Lows in the lower 40s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an Inch, except higher Amounts possible in Thunderstorms.

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Columbia River - Elochoman Slough Temperature Statistics

December Temperature

Astoria, Astoria Regional Airport (22.4 miles)

  • Lowest 1 December, 2025

    37.4 °F

  • Average December

    50.8 °F

  • Highest 15 December, 2025

    57.9 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    59.6 °F
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