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

66°F

19°C

Humidity 68%
Wind Speed NW 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Aug 02:30 AM PDT
Extended Forecast for

4 Miles ESE Troutdale OR

  • Overnight

    Overnight: Cloudy, with a steady temperature around 62. West northwest wind around 7 mph.

    Low: 62 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 77. West wind around 7 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. West wind 6 to 8 mph becoming south southwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely before 11am, then a chance of rain after 11am. Cloudy, with a high near 72. South southwest wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Rain. Low around 62. South southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Rain

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 62. West northwest wind around 7 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 77. West wind around 7 mph.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. West wind 6 to 8 mph becoming south southwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely before 11am, then a chance of rain after 11am. Cloudy, with a high near 72. South southwest wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 62. South southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Troutdale OR
 45.51°N 122.32°W (Elev. 400 ft)
Last Update:
2:41 am PDT Aug 14, 2025
Forecast Valid:
2am PDT Aug 14, 2025-6pm PDT Aug 20, 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