New West Side Weather Forecast

    • 62
    • 87

    Increasing Clouds

    • 61
    • 82

    Chance Rain Showers

    • 60
    • 74

    Chance Rain Showers

    • 58
    • 75

    Partly Sunny

    • 59
    • 83

    Partly Sunny

    • 58
    • 80

    Partly Sunny

    • 57
    • 78

    Partly Sunny

Today 20 Aug Cowlitz County Lowlands

Sunny. Highs in the upper 80s. Winds light.

Tonight 20 Aug Cowlitz County Lowlands

Mostly clear. Lows around 60. Winds light.

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New West Side Temperature Statistics

August Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 9 August, 2026

    54 °F

  • Average August

    67.9 °F

  • Highest 5 August, 2026

    93.9 °F

Climate (2021–2026)

Southwest Washington Regional Airport (2.5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.4 °F
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