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

79°F

26°C

Humidity 29%
Wind Speed NW 4 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Sep 03:30 PM PDT
Extended Forecast for

Troutdale OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 76 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 11pm. Cloudy, with a low around 58. Southwest wind around 6 mph becoming light and variable.

    Low: 58 °F

    Chance Rain

  • Monday

    Monday: Rain. High near 69. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 55.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 68.

    High: 68 °F

    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. Calm wind.
Tonight
Mostly clear, with a low around 53. Calm wind.
Sunday
Increasing clouds, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of rain after 11pm. Cloudy, with a low around 58. Southwest wind around 6 mph becoming light and variable.
Monday
Rain. High near 69. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 55.
Wednesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 68.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 53.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 68.
Thursday Night
Rain likely. Mostly cloudy, with a low around 53.
Friday
A chance of rain. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Troutdale OR
 45.54°N 122.4°W (Elev. 102 ft)
Last Update:
3:41 pm PDT Sep 27, 2025
Forecast Valid:
3pm PDT Sep 27, 2025-6pm PDT Oct 3, 2025
 
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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