West Longview Weather Forecast

    • 52
    • 56

    Rain Showers

    • 47
    • 57

    Chance Rain Showers

    • 47
    • 57

    Rain

    • 50
    • 54

    Rain

    • 46
    • 57

    Rain

    • 42
    • 51

    Rain

Today 11 Dec Cowlitz County Lowlands

Showers. Patchy fog this afternoon. Highs in the mid 50s. Winds light. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.

Tonight 11 Dec Cowlitz County Lowlands

Mostly cloudy. A chance of Showers, mainly in the evening. Patchy fog. Lows in the lower 50s. Light and variable Winds. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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West Longview Temperature Statistics

December Temperature

Southwest Washington Regional Airport (6.2 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    47.2 °F

  • Highest 5 December, 2025

    57 °F

Climate (2020–Present)

Southwest Washington Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.4 °F
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