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

64°F

18°C

Humidity 72%
Wind Speed SSW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Aug 06:00 AM PDT
Extended Forecast for

Happy Valley OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 75. South southwest wind around 8 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 55. North northwest wind 5 to 7 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Northwest wind 3 to 7 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. North northwest wind 5 to 9 mph becoming light west northwest after midnight.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 71. West northwest wind 3 to 6 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 75. South southwest wind around 8 mph.
Tonight
Increasing clouds, with a low around 55. North northwest wind 5 to 7 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 53. North northwest wind 5 to 9 mph becoming light west northwest after midnight.
Saturday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 71. West northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 74.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 54.
Tuesday
A chance of rain. Mostly cloudy, with a high near 71.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
5:41 am PDT Aug 27, 2026
Forecast Valid:
6am PDT Aug 27, 2026-6pm PDT Sep 2, 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