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.

Overcast

61°F

16°C

Humidity 82%
Wind Speed S 8 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 01 Oct 03:30 PM PDT
Extended Forecast for

3 Miles ENE Troutdale OR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 64. South wind around 7 mph. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 51. East wind around 6 mph.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 9am, then a chance of showers after 1pm. Mostly cloudy, with a high near 67. East southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 50%.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 71.

    High: 71 °F

    Becoming
    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 64. South wind around 7 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 51. East wind around 6 mph.
Thursday
A slight chance of showers before 9am, then a chance of showers after 1pm. Mostly cloudy, with a high near 67. East southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 48. Calm wind.
Friday
Mostly sunny, with a high near 65. Light and variable wind.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 71.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 73.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Troutdale OR
 45.57°N 122.34°W (Elev. 135 ft)
Last Update:
3:41 pm PDT Oct 1, 2025
Forecast Valid:
3pm PDT Oct 1, 2025-6pm PDT Oct 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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