Willamette River - Portland Morrison Street Bridge Weather Forecast

    • 50
    • 61

    Rain Showers

    • 48
    • 62

    Chance Rain Showers

    • 48
    • 67

    Partly Sunny

    • 51
    • 70

    Patchy Fog

    • 55
    • 71

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

Today 20 Sep Greater Portland Metro Area

Showers and a chance of Thunderstorms. Highs 55 to 60. West wind 5 to 10 Mph. Chance of precipitation 90 percent. Rainfall Amounts around a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 20 Sep Greater Portland Metro Area

Mostly cloudy. Chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows 45 to 50. South wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Willamette River - Portland Morrison Street Bridge Temperature Statistics

September Temperature

Portland, Portland International Airport (5.6 miles)

  • Lowest 15 September, 2017

    48.9 °F
  • Average September

    69.4 °F
  • Highest 2 September, 2017

    96.1 °F

Climate (2010–Present)

Portland, Portland International Airport (5.6 miles)

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  • Average Low 2010–Present

    47.9 °F
  • Average 2010–Present

    55.6 °F
  • Average High 2010–Present

    64.8 °F
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