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.

Clear

52°F

11°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Sep 07:35 AM PDT
Extended Forecast for

5 Miles SE Troutdale OR

  • Today

    Today: Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph.

    High: 67 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Light and variable wind.

    Low: 49 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 52. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 57. South southeast wind 8 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 67. Calm wind becoming northwest around 5 mph.
Tonight
Increasing clouds, with a low around 49. Light and variable wind.
Thursday
Mostly cloudy, with a high near 67. Light and variable wind.
Thursday Night
Rain. Low around 52. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 57. South southeast wind 8 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A slight chance of rain. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Troutdale OR
 45.49°N 122.32°W (Elev. 600 ft)
Last Update:
7:41 am PDT Sep 23, 2026
Forecast Valid:
8am PDT Sep 23, 2026-6pm PDT Sep 29, 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