West Longview Weather Forecast

    • 53
    • 58

    Rain

    • 52
    • 56

    Rain

    • 49
    • 57

    Chance Rain

    • 47
    • 55

    Rain Likely

    • 46
    • 52

    Rain

    • 47
    • 54

    Rain

Today 10 Dec Cowlitz County Lowlands

Showers. Highs in the upper 50s. South wind 10 to 15 Mph. Chance of rain 90 percent. Rainfall Amounts a tenth of an inch to one inch.

Tonight 10 Dec Cowlitz County Lowlands

Showers. Lows in the lower 50s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth of an inch to one 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

    46.3 °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

    62.3 °F
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