Wallace Slough - Beaver Slough Entrance Weather Forecast

    • 47
    • 57

    Chance Rain

    • 46
    • 56

    Rain

    • 42
    • 53

    Rain

    • 40
    • 51

    Rain

    • 38
    • 54

    Slight Chance Rain

    • 38
    • 57

    Partly Sunny

Today 26 Oct Lower Columbia River

Showers Likely, mainly in the morning. Highs in the upper 50s. Winds light. Chance of rain 70 percent. Rainfall Amounts around a tenth of an inch.

Tonight 26 Oct Lower Columbia River

Mostly cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Patchy fog. Lows in the mid 40s. Light and variable Winds. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

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Wallace Slough - Beaver Slough Entrance Temperature Statistics

October Temperature

Southwest Washington Regional Airport (16.2 miles)

  • Lowest 11 October, 2026

    36 °F

  • Average October

    55.6 °F

  • Highest 4 October, 2026

    79 °F

Climate (2021–2026)

Southwest Washington Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.6 °F
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