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.

Partly Cloudy

54°F

12°C

Humidity 66%
Wind Speed E 6 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Nov 01:15 PM PST
Extended Forecast for

4 Miles N Troutdale OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. Light southeast wind.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Light southeast wind.
Tonight
Mostly clear, with a low around 36. Light and variable wind.
Friday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 52. Calm wind.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 38. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Sunday
Rain. High near 52. Chance of precipitation is 80%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49.
Monday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
1:00 pm PST Nov 20, 2025
Forecast Valid:
1pm PST Nov 20, 2025-6pm PST Nov 26, 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