West Side Highway Weather Forecast

    • 46
    • 69

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 48
    • 74

    Mostly Cloudy

    • 53
    • 75

    Partly Sunny

    • 53
    • 85

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

Today 29 Apr Cowlitz County Lowlands

Patchy fog this morning. Sunny. Highs around 70. North wind 5 to 10 Mph.

Tonight 29 Apr Cowlitz County Lowlands

Mostly clear. Lows in the mid 40s. North wind 5 to 10 Mph.

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West Side Highway Temperature Statistics

April Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 9 April, 2026

    35.1 °F

  • Average April

    52.7 °F

  • Highest 5 April, 2026

    79 °F

Climate (2021–Present)

Southwest Washington Regional Airport (5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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