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

68°F

20°C

Humidity 60%
Wind Speed S 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Aug 09:20 AM PDT
Extended Forecast for

Happy Valley OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 76. South southwest wind around 8 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 57. North northwest wind 3 to 6 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 76 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. North northwest wind 3 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 72. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 72 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 76. South southwest wind around 8 mph.
Tonight
Increasing clouds, with a low around 57. North northwest wind 3 to 6 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. North northwest wind 3 to 8 mph.
Saturday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 72. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 75.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Tuesday
A chance of rain. Mostly cloudy, with a high near 72.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Wednesday
A chance of rain. Mostly cloudy, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.43°N 122.55°W (Elev. 423 ft)
Last Update:
9:41 am PDT Aug 27, 2026
Forecast Valid:
9am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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