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

48°F

9°C

Humidity 70%
Wind Speed NNE 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Apr 09:35 AM PDT
Extended Forecast for

Happy Valley OR

  • Today

    Today: Mostly sunny, with a high near 59. Calm wind becoming north around 6 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 51. West southwest wind around 5 mph becoming light and variable after midnight.

    Low: 51 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers

  • Monday Night

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

    Low: 50 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 59. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 42. Light and variable wind.
Saturday
Partly sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 51. West southwest wind around 5 mph becoming light and variable after midnight.
Sunday
Mostly cloudy, with a high near 71. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 49.
Monday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 71.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Partly sunny, with a high near 59.
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 Apr 17, 2026
Forecast Valid:
9am PDT Apr 17, 2026-6pm PDT Apr 23, 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