Columbia River - Walker Island Weather Forecast

    • 52
    • 71

    Rain Showers Likely

    • 54
    • 76

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 59
    • 87

    Partly Sunny

    • 59
    • 85

    Partly Sunny

Today 16 Jul Lower Columbia River

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this Morning, then a slight chance of Showers this afternoon. Highs in the mid 70s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 16 Jul Lower Columbia River

Partly cloudy. Lows in the lower 50s. Winds light.

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Columbia River - Walker Island Temperature Statistics

July Temperature

Southwest Washington Regional Airport (7.5 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    64.7 °F

  • Highest 6 July, 2026

    84.9 °F

Climate (2021–2026)

Southwest Washington Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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