West Longview Weather Forecast

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    Rain Showers

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    Rain Showers

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    Rain

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    Rain

Today 14 Dec Cowlitz County Lowlands

Mostly cloudy with a 50 percent chance of rain. Highs in the lower 50s. Southeast wind 5 to 10 Mph. Rainfall Amounts less than a tenth of an inch.

Tonight 14 Dec Cowlitz County Lowlands

A chance of rain in the Evening, then rain with a slight chance of Thunderstorms after midnight. Lows in the upper 40s. South wind 10 to 15 Mph. Gusts up to 35 Mph after midnight. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an Inch, except higher Amounts possible in Thunderstorms.

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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

    49.1 °F

  • Highest 10 December, 2025

    57.9 °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

    53 °F

  • Average High 2020–2025

    62.4 °F
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