Columbia River - Sandy Island Weather Forecast

    • 43
    • 68

    Mostly Sunny

    • 48
    • 66

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 55
    • 78

    Mostly Sunny

    • 53
    • 78

    Partly Sunny

    • 49
    • 69

    Mostly Cloudy

Today 12 Oct Lower Columbia River

Areas of frost in the morning. Sunny. Highs in the upper 60s. Light and variable Winds, becoming light in the afternoon.

Tonight 12 Oct Lower Columbia River

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. Winds light in the Evening, becoming light and variable.

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Columbia River - Sandy Island Temperature Statistics

October Temperature

Southwest Washington Regional Airport (7.5 miles)

  • Lowest 1 October, 2026

    46.9 °F

  • Average October

    60.3 °F

  • Highest 4 October, 2026

    79 °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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