West Side Highway Weather Forecast

    • 27
    • 42

    Decreasing Clouds

    • 35
    • 42

    Rain/Snow Likely

    • 39
    • 47

    Rain Showers Likely

    • 41
    • 50

    Rain

    • 40
    • 49

    Rain

    • 39
    • 51

    Rain

Today 19 Feb Cowlitz County Lowlands

Mostly cloudy with a chance of rain Showers with a slight chance of snow Showers in the Morning, then mostly sunny with a slight chance of rain Showers in the afternoon. Snow level 1000 feet. Little or no snow accumulation. Highs in the mid 40s. Winds light. Chance of precipitation 30 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 19 Feb Cowlitz County Lowlands

Mostly clear in the Evening, then partly cloudy with a slight chance of snow Showers after midnight. Widespread frost. Patchy fog after midnight. Lows in the upper 20s. Winds light. Chance of snow 20 percent.

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West Side Highway Temperature Statistics

February Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 11 February, 2026

    30.9 °F

  • Average February

    45.1 °F

  • Highest 4 February, 2026

    61 °F

Climate (2021–Present)

Southwest Washington Regional Airport (5 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.5 °F
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