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

63°F

17°C

Humidity 72%
Wind Speed WNW 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 03 Oct 02:20 PM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Light southwest wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly after 3am. Increasing clouds, with a low around 52. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 70%.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47. Light west wind.

    Low: 47 °F

    Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 70. Light east northeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Light southwest wind.
Tonight
Showers likely, mainly after 3am. Increasing clouds, with a low around 52. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 70%.
Saturday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 63. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of showers before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47. Light west wind.
Sunday
Sunny, with a high near 70. Light east northeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 73.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 70.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Thursday
A chance of showers. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Troutdale OR
 45.58°N 122.31°W (Elev. 112 ft)
Last Update:
2:00 pm PDT Oct 3, 2025
Forecast Valid:
2pm PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
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