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.

Rain

60°F

16°C

Humidity 83%
Wind Speed SW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 55°F (13°C)
Visibility 3.00 mi
Last update 01 Oct 02:53 PM PDT
Extended Forecast for

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 63. South wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 51. East southeast 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 65. Southeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 50%.

    High: 65 °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 64. Light and variable wind.

    High: 64 °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 62.

    High: 62 °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 69.

    High: 69 °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 63. South wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 51. East southeast 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 65. Southeast wind around 6 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 64. 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 62.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 69.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 74.
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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:
2:45 pm PDT Oct 1, 2025
Forecast Valid:
3pm PDT Oct 1, 2025-6pm PDT Oct 7, 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