New West Side Weather Forecast

    • 57
    • 86

    Rain Showers

    • 55
    • 74

    Rain Showers

    • 56
    • 79

    Partly Sunny

    • 57
    • 84

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 61
    • 92

    Partly Sunny

Today 15 Jul Cowlitz County Lowlands

Sunny. Highs in the upper 80s. Northwest wind 5 to 10 Mph.

Tonight 15 Jul Cowlitz County Lowlands

Mostly clear in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 50s. Northwest wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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New West Side Temperature Statistics

July Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    63.8 °F

  • Highest 6 July, 2026

    84.9 °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

    62.5 °F
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