Columbia River - Barlow Point Weather Forecast

    • 56
    • 81

    Partly Sunny

    • 57
    • 74

    Mostly Cloudy

    • 55
    • 74

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 24 Jul Cowlitz County Lowlands

Patchy fog in the morning. Mostly sunny. Highs in the mid 80s. Northwest wind 5 to 10 Mph.

Tonight 24 Jul Cowlitz County Lowlands

Partly cloudy. Patchy fog. Lows in the mid 50s. Winds light.

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Columbia River - Barlow Point Temperature Statistics

July Temperature

Southwest Washington Regional Airport (6.8 miles)

  • Lowest 9 July, 2026

    48.9 °F

  • Average July

    65.4 °F

  • Highest 21 July, 2026

    97 °F

Climate (2021–2026)

Southwest Washington Regional Airport (6.8 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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