West Longview Weather Forecast

    • 44
    • 50

    Dense Fog

    • 38
    • 50

    Mostly Sunny

    • 36
    • 53

    Mostly Sunny

    • 34
    • 53

    Mostly Sunny

    • 34
    • 52

    Mostly Sunny

    • 35
    • 52

    Mostly Sunny

    • 37
    • 50

    Partly Sunny

Today 14 Jan Cowlitz County Lowlands

Mostly cloudy. Patchy dense fog. Highs in the lower 50s. Winds light.

Tonight 14 Jan Cowlitz County Lowlands

Mostly cloudy this Evening, then becoming partly cloudy. Patchy dense fog. Lows in the lower 40s. Winds light.

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West Longview Temperature Statistics

January Temperature

Southwest Washington Regional Airport (6.2 miles)

  • Lowest 1 January, 2026

    30 °F

  • Average January

    44 °F

  • Highest 12 January, 2026

    55 °F

Climate (2021–Present)

Southwest Washington Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.4 °F
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