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Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Clear

39°F

4°C

Humidity 60%
Wind Speed E 23 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 21 Jan 03:35 PM PST
Extended Forecast for

Happy Valley OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. Breezy, with an east northeast wind around 16 mph, with gusts as high as 25 mph.

    High: 44 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 33. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Increasing clouds, with a high near 41. Northeast wind 7 to 9 mph.

    High: 41 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. East northeast wind around 9 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 45. East northeast wind around 11 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 44. Breezy, with an east northeast wind around 16 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 33. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 24 mph.
Thursday
Increasing clouds, with a high near 41. Northeast wind 7 to 9 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. East northeast wind around 9 mph.
Friday
Sunny, with a high near 45. East northeast wind around 11 mph.
Friday Night
Clear, with a low around 28.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.46°N 122.56°W (Elev. 925 ft)
Last Update:
3:41 pm PST Jan 21, 2026
Forecast Valid:
3pm PST Jan 21, 2026-6pm PST Jan 27, 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