Wallace Slough - Beaver Slough Entrance Weather Forecast

    • 38
    • 53

    Mostly Cloudy

    • 36
    • 53

    Chance Rain Showers

    • 36
    • 55

    Mostly Cloudy

    • 38
    • 58

    Mostly Sunny

    • 40
    • 61

    Partly Sunny

    • 45
    • 59

    Rain Likely

    • 44
    • 54

    Rain

Today 26 Feb Lower Columbia River

Mostly sunny. Highs in the lower 50s. Winds light.

Tonight 26 Feb Lower Columbia River

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain after midnight. Patchy fog. Patchy frost after midnight. Lows in the mid 30s. Winds light in the Evening, becoming light and variable. Chance of rain 20 percent.

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Wallace Slough - Beaver Slough Entrance Temperature Statistics

February Temperature

Southwest Washington Regional Airport (16.2 miles)

  • Lowest 19 February, 2026

    28 °F

  • Average February

    44 °F

  • Highest 4 February, 2026

    61 °F

Climate (2021–Present)

Southwest Washington Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.5 °F
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