Columbia River - Glenn L. Jackson Memorial Bridge Weather Forecast

    • 64
    • 74

    Rain Showers

    • 60
    • 76

    Rain Showers Likely

    • 58
    • 77

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 57
    • 80

    Mostly Sunny

    • 56
    • 81

    Sunny

Today 15 Aug Inner Portland Metro

Mostly cloudy with a 50 percent chance of rain. Highs in the upper 70s. South wind 5 to 10 Mph. Rainfall Amounts less than a tenth of an inch.

Tonight 15 Aug Inner Portland Metro

Rain in the Evening, then Showers after midnight. Lows in the mid 60s. Southwest wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts around a half of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Glenn L. Jackson Memorial Bridge Temperature Statistics

August Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 8 August, 2025

    54.6 °F

  • Average August

    71.5 °F

  • Highest 10 August, 2025

    99.6 °F

Climate (2020–Present)

Portland, Portland International Airport (3.1 miles)

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  • Average Low 2020–2025

    48.3 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.3 °F
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