Columbia River - Sand Island Marine Park Weather Forecast

    • 61
    • 92

    Areas Smoke

    • 60
    • 92

    Patchy Smoke

    • 60
    • 89

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

Today 5 Aug Lower Columbia River

Sunny. Areas of smoke. Highs in the mid 90s. North wind 5 to 10 Mph.

Tonight 5 Aug Lower Columbia River

Mostly clear. Areas of smoke. Lows in the lower 60s. Winds light.

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Columbia River - Sand Island Marine Park Temperature Statistics

August Temperature

Scappoose Industrial Airpark (7.5 miles)

  • Lowest 2 August, 2026

    50 °F

  • Average August

    62.7 °F

  • Highest 1 August, 2026

    74.6 °F

Climate (2021–2026)

Scappoose Industrial Airpark (7.5 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.4 °F
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