New West Side Weather Forecast

    • 46
    • 63

    Rain Showers Likely

    • 44
    • 59

    Rain Showers

    • 50
    • 66

    Chance Rain

    • 50
    • 65

    Rain Likely

    • 48
    • 64

    Rain Likely

    • 49
    • 65

    Chance Rain

    • 50
    • 72

    Partly Sunny

Today 5 Jun Cowlitz County Lowlands

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the mid 60s. West 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.

Tonight 5 Jun Cowlitz County Lowlands

Mostly cloudy. A slight chance of Showers in the Evening, then Showers likely after midnight. Lows in the mid 40s. West wind 5 to 10 Mph, becoming light after midnight. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

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New West Side Temperature Statistics

June Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    65.3 °F

  • Highest 2 June, 2026

    89.1 °F

Climate (2021–Present)

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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