New West Side Weather Forecast

    • 52
    • 78

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

Today 12 Jul Cowlitz County Lowlands

Sunny. Highs in the upper 70s. North wind 5 to 10 Mph.

Tonight 12 Jul Cowlitz County Lowlands

Mostly clear. Lows around 50. Northwest wind 5 to 10 Mph.

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  • Temperature Real-Time

New West Side Temperature Statistics

July Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    63.7 °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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