Westport Slough - Kerry Slough Weather Forecast

    • 40
    • 53

    Chance Rain Showers

    • 41
    • 53

    Rain

    • 39
    • 49

    Rain Showers

    • 35
    • 48

    Mostly Cloudy

    • 34
    • 48

    Mostly Cloudy

    • 36
    • 51

    Partly Sunny

    • 38
    • 52

    Mostly Cloudy

Today 24 Dec Lower Columbia River

Rain this Morning, then a slight chance of rain Showers this afternoon. Highs in the lower 50s. South wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 24 Dec Lower Columbia River

Mostly cloudy. Lows in the upper 30s. Winds light.

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Westport Slough - Kerry Slough Temperature Statistics

December Temperature

Southwest Washington Regional Airport (21.7 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    48.4 °F

  • Highest 15 December, 2025

    60.1 °F

Climate (2020–Present)

Southwest Washington Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.4 °F
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