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

72°F

22°C

Humidity 56%
Wind Speed E 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Aug 10:00 PM PDT
Extended Forecast for

Troutdale OR

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 81. Calm wind.

    High: 81 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 58. Calm wind becoming southwest 5 to 7 mph after midnight.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 76.

    High: 76 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind.
Thursday Night
Mostly clear, with a low around 60. Calm wind.
Friday
Increasing clouds, with a high near 81. Calm wind.
Friday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 58. Calm wind becoming southwest 5 to 7 mph after midnight.
Saturday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 74.
Saturday Night
Increasing clouds, with a low around 57.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 76.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.55°N 122.37°W (Elev. 197 ft)
Last Update:
9:41 pm PDT Aug 19, 2026
Forecast Valid:
10pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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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