Willamette River - Portland Morrison Street Bridge Weather Forecast

    • 48
    • 61

    Rain Showers

    • 56
    • 64

    Rain Likely

    • 51
    • 67

    Rain Likely

    • 49
    • 66

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 54
    • 74

    Mostly Sunny

Today 28 Sep Greater Portland Metro Area

Showers in the Morning, then Showers and a slight chance of Thunderstorms in the afternoon. Highs 55 to 60. Southwest wind 5 to 15 Mph. Chance of precipitation 90 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 28 Sep Greater Portland Metro Area

Partly cloudy. Slight chance of Thunderstorms in the evening. Slight chance of Showers in the evening. Slight chance of rain after midnight. Lows 45 to 50. South wind 5 to 10 Mph. Chance of precipitation 20 percent.

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Willamette River - Portland Morrison Street Bridge Temperature Statistics

September Temperature

Portland, Portland International Airport (5.6 miles)

  • Lowest 16 September, 2021

    46.9 °F
  • Average September

    66.7 °F
  • Highest 24 September, 2021

    89.1 °F

Climate (2010–Present)

Portland, Portland International Airport (5.6 miles)

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  • Average Low 2010–Present

    48.4 °F
  • Average 2010–Present

    55.9 °F
  • Average High 2010–Present

    65.1 °F
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