Columbia River - Wallace Slough Entrance Weather Forecast

    • 52
    • 73

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 48
    • 61

    Rain Likely

    • 44
    • 58

    Chance Rain Showers

    • 42
    • 63

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 64

    Chance Rain

Today 7 Oct Lower Columbia River

Sunny. Highs in the upper 70s. North wind 5 to 10 Mph.

Tonight 7 Oct Lower Columbia River

Clear. Lows in the lower 50s. Northwest wind 5 to 10 Mph.

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  • Temperature Real-Time

Columbia River - Wallace Slough Entrance Temperature Statistics

October Temperature

Southwest Washington Regional Airport (18.6 miles)

  • Lowest 1 October, 2026

    46.9 °F

  • Average October

    60.9 °F

  • Highest 4 October, 2026

    79 °F

Climate (2021–2026)

Southwest Washington Regional Airport (18.6 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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