Columbia River - Government Island Weather Forecast

    • 39
    • 57

    Becoming Sunny

    • 39
    • 65

    Partly Sunny

    • 40
    • 61

    Partly Sunny

    • 41
    • 61

    Chance Rain

    • 37
    • 54

    Chance Rain/Snow

    • 41
    • 57

    Chance Rain

Today 26 Mar Inner Portland Metro

Areas of frost in the morning. Sunny. Highs in the upper 50s. Winds Light, becoming north 5 to 10 Mph in the afternoon.

Tonight 26 Mar Inner Portland Metro

Mostly clear. Areas of frost. Lows in the mid 30s. Winds light.

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Columbia River - Government Island Temperature Statistics

March Temperature

Portland, Portland International Airport (5 miles)

  • Lowest 22 March, 2026

    35.1 °F

  • Average March

    50.5 °F

  • Highest 18 March, 2026

    71.7 °F

Climate (2021–Present)

Portland, Portland International Airport (5 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.5 °F
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