Columbia River - Oak Point Weather Forecast

    • 60
    • 81

    Increasing Clouds

    • 60
    • 76

    Chance Rain Showers

    • 59
    • 68

    Chance Rain Showers

    • 57
    • 70

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 57
    • 74

    Partly Sunny

Today 20 Aug Lower Columbia River

Sunny. Highs around 90. Winds light.

Tonight 20 Aug Lower Columbia River

Mostly clear. Lows around 60. Winds light.

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Columbia River - Oak Point Temperature Statistics

August Temperature

Southwest Washington Regional Airport (14.3 miles)

  • Lowest 9 August, 2026

    54 °F

  • Average August

    67.9 °F

  • Highest 5 August, 2026

    93.9 °F

Climate (2021–2026)

Southwest Washington Regional Airport (14.3 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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