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 39%
Wind Speed E 14 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 11:35 AM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • Today

    Today: Sunny, with a high near 72. East wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Light east northeast wind becoming east 5 to 9 mph in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 76. East wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Northeast wind around 5 mph becoming light and variable after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. Mostly cloudy, with a high near 56. Breezy.

    High: 56 °F

    Rain and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 72. East wind 6 to 14 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 51. Light east northeast wind becoming east 5 to 9 mph in the evening.
Sunday
Partly sunny, with a high near 76. East wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 51. Northeast wind around 5 mph becoming light and variable after midnight.
Monday
Mostly cloudy, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 48.
Wednesday
Rain. Mostly cloudy, with a high near 56. Breezy.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy.
Thursday
A chance of rain. Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 69.
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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:
11:41 am PDT Apr 18, 2026
Forecast Valid:
11am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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