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

55°F

13°C

Humidity 71%
Wind Speed W 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 May 10:53 AM PDT
Extended Forecast for

Troutdale OR

  • Today

    Today: Mostly sunny, with a high near 72. Light west northwest wind becoming northwest 5 to 9 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. Light and variable wind becoming north northeast 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 24 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Light north wind becoming northwest 6 to 11 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Breezy.

    Low: 51 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. Light west northwest wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 50. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Light and variable wind becoming north northeast 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. North wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 81. Light north wind becoming northwest 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 51. Breezy.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 51.
Memorial Day
Rain likely. Mostly cloudy, with a high near 64. Breezy.
Monday Night
Rain likely. Mostly cloudy, with a low around 46. Breezy.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.54°N 122.4°W (Elev. 102 ft)
Last Update:
10:41 am PDT May 20, 2026
Forecast Valid:
11am PDT May 20, 2026-6pm PDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation