New West Side Weather Forecast

    • 52
    • 65

    Mostly Cloudy

    • 51
    • 66

    Mostly Cloudy

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 75

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

Today 30 Jun Cowlitz County Lowlands

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 60s. West wind 5 to 10 Mph.

Tonight 30 Jun Cowlitz County Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. West wind 5 to 10 Mph.

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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

    63.7 °F

  • Highest 14 June, 2026

    93 °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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