Columbia River - Government Island Weather Forecast

    • 60
    • 89

    Sunny

    • 66
    • 98

    Hot

    • 67
    • 99

    Hot

    • 66
    • 95

    Mostly Sunny

    • 63
    • 93

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

Today 21 Aug Inner Portland Metro

Sunny. Highs around 90. North wind 5 to 10 Mph.

Tonight 21 Aug Inner Portland Metro

Clear. Lows around 60. North wind 5 to 10 Mph.

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Columbia River - Government Island Temperature Statistics

August Temperature

Portland, Portland International Airport (5 miles)

  • Lowest 8 August, 2025

    54.6 °F

  • Average August

    71.6 °F

  • Highest 10 August, 2025

    99.6 °F

Climate (2020–Present)

Portland, Portland International Airport (5 miles)

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  • Average Low 2020–2025

    48.3 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
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