West Longview Weather Forecast

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    • 43

    Increasing Clouds

    • 41
    • 44

    Rain

    • 46
    • 52

    Rain

    • 44
    • 53

    Rain

    • 42
    • 50

    Rain

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    • 50

    Rain Likely

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    • 48

    Rain Likely

Today 31 Dec Cowlitz County Lowlands

Widespread frost this morning. Mostly sunny. Highs in the upper 40s. Winds light.

Tonight 31 Dec Cowlitz County Lowlands

Areas of frost with patchy dense fog this evening. Partly cloudy this Evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid 30s. Winds light. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Longview Temperature Statistics

December Temperature

Southwest Washington Regional Airport (6.2 miles)

  • Lowest 28 December, 2025

    30 °F

  • Average December

    46.4 °F

  • Highest 15 December, 2025

    60.1 °F

Climate (2020–Present)

Southwest Washington Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.4 °F
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