Columbia River - Deer Island Point Weather Forecast

    • 54
    • 65

    Rain

    • 53
    • 71

    Mostly Cloudy

    • 54
    • 71

    Partly Sunny

    • 57
    • 82

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

Today 13 Sep Lower Columbia River

Rain Likely, mainly in the morning. Highs in the mid 60s. Southwest wind 5 to 10 Mph. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 13 Sep Lower Columbia River

Mostly cloudy with a 50 percent chance of Showers. Lows in the lower 50s. Winds light. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Real-Time

Columbia River - Deer Island Point Temperature Statistics

September Temperature

Southwest Washington Regional Airport (10.6 miles)

  • Lowest 4 September, 2026

    48 °F

  • Average September

    61.6 °F

  • Highest 9 September, 2026

    86 °F

Climate (2021–2026)

Southwest Washington Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.4 °F
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