Columbia River - Wallace Slough Entrance Weather Forecast

    • 28
    • 44

    Decreasing Clouds

    • 28
    • 43

    Mostly Sunny

    • 31
    • 44

    Partly Sunny

    • 32
    • 44

    Mostly Cloudy

    • 34
    • 46

    Mostly Cloudy

    • 36
    • 48

    Chance Rain

Today 18 Jan Lower Columbia River

Mostly sunny. Highs in the mid 40s. Winds light.

Tonight 18 Jan Lower Columbia River

Mostly clear. Lows in the mid 20s. Winds light.

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  • Temperature Real-Time

Columbia River - Wallace Slough Entrance Temperature Statistics

January Temperature

Southwest Washington Regional Airport (18.6 miles)

  • Lowest 13 January, 2025

    28.9 °F

  • Average January

    42.6 °F

  • Highest 8 January, 2025

    54 °F

Climate (2020–Present)

Southwest Washington Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
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