Columbia River - Sand Island Marine Park Weather Forecast

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    Rain Showers

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    • 49

    Rain

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    • 54

    Rain

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    • 47

    Rain

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    Rain Likely

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    • 46

    Rain

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    Rain Likely

Today 16 Dec Lower Columbia River

A chance of rain this Morning, then rain likely this afternoon. Highs in the upper 50s. South wind 10 to 15 Mph. Chance of rain 70 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 16 Dec Lower Columbia River

Showers with a slight chance of Thunderstorms. Lows in the lower 40s. South wind 15 to 20 Mph, becoming west after midnight. Gusts up to 45 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to three Quarters of an Inch, except higher Amounts possible in Thunderstorms.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Sand Island Marine Park Temperature Statistics

December Temperature

Scappoose Industrial Airpark (7.5 miles)

  • Lowest 1 December, 2025

    30.9 °F

  • Average December

    48.5 °F

  • Highest 10 December, 2025

    60.1 °F

Climate (2020–Present)

Scappoose Industrial Airpark (7.5 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63.4 °F
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