Columbia River - Deer Island Point Weather Forecast

    • 56
    • 79

    Decreasing Clouds

    • 58
    • 86

    Mostly Sunny

    • 53
    • 74

    Chance Rain Showers

    • 54
    • 74

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

Today 30 Jul Lower Columbia River

Sunny. Highs around 80. Light and variable Winds, becoming northwest 5 to 10 Mph in the afternoon.

Tonight 30 Jul Lower Columbia River

Mostly clear. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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Columbia River - Deer Island Point Temperature Statistics

July Temperature

Southwest Washington Regional Airport (10.6 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    66.1 °F

  • Highest 21 July, 2026

    97 °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

    62.5 °F
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