Columbia River - Government Island Weather Forecast

    • 35
    • 48

    Rain Showers

    • 41
    • 50

    Rain

    • 41
    • 49

    Rain

    • 41
    • 50

    Rain

    • 38
    • 52

    Rain Showers

    • 37
    • 51

    Chance Rain Showers

    • 40
    • 54

    Rain Likely

Today 13 Mar Inner Portland Metro

Partly sunny with a chance of rain Showers with a slight chance of Thunderstorms this Morning, then rain Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce small hail this afternoon. Highs in the upper 40s. Southwest wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 13 Mar Inner Portland Metro

Mostly cloudy. Rain Showers likely with a chance of Thunderstorms this Evening, then a chance of rain after midnight. Some Thunderstorms may produce small hail this evening. Snow level 1000 feet. Lows in the mid 30s. South wind 5 to 10 Mph, becoming light after midnight. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Columbia River - Government Island Temperature Statistics

March Temperature

Portland, Portland International Airport (5 miles)

  • Lowest 6 March, 2025

    36.6 °F

  • Average March

    49.6 °F

  • Highest 1 March, 2025

    66.7 °F

Climate (2020–Present)

Portland, Portland International Airport (5 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    65 °F
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