Columbia River - Wallace Slough Entrance Weather Forecast

    • 40
    • 49

    Rain

    • 37
    • 49

    Rain Likely

    • 37
    • 51

    Chance Rain/Snow

    • 37
    • 47

    Rain

    • 35
    • 49

    Rain/Snow

    • 37
    • 48

    Rain/Snow

Today 13 Feb Lower Columbia River

A slight chance of rain this Morning, then rain this afternoon. Highs in the upper 40s. Winds light. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an inch.

Tonight 13 Feb Lower Columbia River

Rain, mainly in the evening. Patchy fog after midnight. Lows in the upper 30s. Winds light. Chance of rain 90 percent. Rainfall Amounts around a tenth of an inch.

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Columbia River - Wallace Slough Entrance Temperature Statistics

February Temperature

Southwest Washington Regional Airport (18.6 miles)

  • Lowest 11 February, 2026

    30.9 °F

  • Average February

    46.2 °F

  • Highest 4 February, 2026

    61 °F

Climate (2021–Present)

Southwest Washington Regional Airport (18.6 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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