Columbia River - Martin Island Weather Forecast

    • 53
    • 77

    Partly Sunny

    • 48
    • 77

    Rain Showers

    • 47
    • 59

    Rain Showers

    • 43
    • 54

    Rain Showers

    • 41
    • 54

    Rain Showers Likely

    • 44
    • 61

    Rain Showers Likely

    • 41
    • 55

    Rain Showers

Today 25 Mar Cowlitz County Lowlands

Mostly cloudy this Morning, then becoming mostly sunny. Patchy dense fog this morning. Highs in the mid 70s. Winds light.

Tonight 25 Mar Cowlitz County Lowlands

Mostly cloudy. Lows in the lower 50s. Winds light.

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Columbia River - Martin Island Temperature Statistics

March Temperature

Southwest Washington Regional Airport (11.8 miles)

  • Lowest 6 March, 2025

    30.9 °F

  • Average March

    46 °F

  • Highest 1 March, 2025

    61 °F

Climate (2020–Present)

Southwest Washington Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
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