Columbia River - Martin Island Weather Forecast

    • 52
    • 76

    Partly Sunny

    • 54
    • 77

    Partly Sunny

    • 58
    • 85

    Partly Sunny

    • 54
    • 84

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

Today 16 Jun Cowlitz County Lowlands

Mostly sunny. Highs in the mid 70s. West wind 10 to 15 Mph.

Tonight 16 Jun Cowlitz County Lowlands

Mostly clear. Lows in the mid 50s. Winds light.

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Columbia River - Martin Island Temperature Statistics

June Temperature

Southwest Washington Regional Airport (11.8 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    60.7 °F

  • Highest 2 June, 2026

    89.1 °F

Climate (2021–Present)

Southwest Washington Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.6 °F
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