Columbia River - Barlow Point Weather Forecast

    • 54
    • 71

    Increasing Clouds

    • 53
    • 72

    Mostly Cloudy

    • 55
    • 75

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

Today 19 Jul Cowlitz County Lowlands

Mostly sunny. Highs in the mid 70s. West wind 5 to 10 Mph.

Tonight 19 Jul Cowlitz County Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. Northwest wind 5 to 10 Mph.

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Columbia River - Barlow Point Temperature Statistics

July Temperature

Southwest Washington Regional Airport (6.8 miles)

  • Lowest 5 July, 2025

    48 °F

  • Average July

    67.8 °F

  • Highest 13 July, 2025

    95 °F

Climate (2020–Present)

Southwest Washington Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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