National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

54°F

12°C

Humidity 89%
Wind Speed SW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 21 Apr 06:05 PM PDT
Extended Forecast for

3 Miles N Troutdale OR

  • Tonight

    Tonight: A chance of showers before 5am, then a chance of rain after 5am. Cloudy, with a low around 47. West northwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain, mainly before 3pm. High near 55. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. West southwest wind 6 to 11 mph becoming light south southwest after midnight. Winds could gust as high as 22 mph.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. South southwest wind around 7 mph.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. West wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Breezy.

    High: 69 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers before 5am, then a chance of rain after 5am. Cloudy, with a low around 47. West northwest wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 3pm. High near 55. Southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. West southwest wind 6 to 11 mph becoming light south southwest after midnight. Winds could gust as high as 22 mph.
Thursday
Partly sunny, with a high near 61. South southwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 42. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 69. Breezy.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Monday
A slight chance of rain. Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
5:41 pm PDT Apr 21, 2026
Forecast Valid:
6pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation