New West Side Weather Forecast

    • 49
    • 74

    Decreasing Clouds

    • 41
    • 72

    Partly Sunny

    • 37
    • 60

    Mostly Sunny

    • 39
    • 64

    Mostly Sunny

    • 41
    • 68

    Mostly Sunny

    • 42
    • 66

    Partly Sunny

    • 41
    • 59

    Chance Rain

Today 5 Apr Cowlitz County Lowlands

Partly sunny. Highs in the mid 70s. Winds light.

Tonight 5 Apr Cowlitz County Lowlands

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the upper 40s. Winds light this Evening, becoming light and variable.

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New West Side Temperature Statistics

April Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 3 April, 2026

    39 °F

  • Average April

    48.7 °F

  • Highest 3 April, 2026

    63 °F

Climate (2021–Present)

Southwest Washington Regional Airport (2.5 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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