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

58°F

14°C

Humidity 71%
Wind Speed W 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 19 May 10:53 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North northwest wind 5 to 9 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 6 to 9 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 80. North wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. North northwest wind 5 to 9 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 80. North wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 53. North northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Memorial Day
A chance of rain. Mostly cloudy, with a high near 63.
Monday Night
A chance of rain. Partly cloudy, with a low around 46.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.46°N 122.53°W (Elev. 581 ft)
Last Update:
10:41 pm PDT May 19, 2026
Forecast Valid:
11pm PDT May 19, 2026-6pm PDT May 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation