Flagg Island Park Weather Forecast

    • 58
    • 74

    Mostly Cloudy

    • 56
    • 75

    Mostly Cloudy

    • 54
    • 74

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

    • 53
    • 78

    Sunny

    • 56
    • 83

    Sunny

    • 58
    • 88

    Sunny

Today 16 Aug East Portland Metro

Mostly cloudy with a chance of rain this Morning, then mostly sunny this afternoon. Highs in the upper 70s. West wind 5 to 10 Mph. Chance of rain 40 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 16 Aug East Portland Metro

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 50s. Winds light.

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Flagg Island Park Temperature Statistics

August Temperature

Portland, Portland-Troutdale Airport (3.1 miles)

  • Lowest 8 August, 2025

    50.6 °F

  • Average August

    70.3 °F

  • Highest 10 August, 2025

    100.7 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (3.1 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.1 °F
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