Columbia River - Deer Island Point Weather Forecast

    • 46
    • 57

    Mostly Cloudy

    • 45
    • 57

    Rain

    • 49
    • 54

    Rain

    • 48
    • 59

    Rain

    • 41
    • 55

    Rain

    • 41
    • 47

    Rain

Today 12 Dec Lower Columbia River

Mostly cloudy. Patchy fog. Highs in the upper 50s. Winds light.

Tonight 12 Dec Lower Columbia River

Mostly cloudy. Patchy dense fog. Lows in the mid 40s. Light and variable Winds, becoming light after midnight.

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  • Temperature Real-Time

Columbia River - Deer Island Point Temperature Statistics

December Temperature

Southwest Washington Regional Airport (10.6 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    48.4 °F

  • Highest 10 December, 2025

    57.9 °F

Climate (2020–Present)

Southwest Washington Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.4 °F
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