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.

Mostly Cloudy

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Apr 06:35 AM PDT
Extended Forecast for

Happy Valley OR

  • Today

    Today: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. South southwest wind around 8 mph.

    High: 54 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 38 °F

    Partly Cloudy

  • Friday

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

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind around 6 mph becoming east after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. East wind around 6 mph becoming west southwest in the afternoon.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Today
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. South southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 38. West wind 5 to 7 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 59. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. North wind around 6 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 68. East wind around 6 mph becoming west southwest in the afternoon.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.
Monday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 66.
Monday Night
A chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
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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:
6:41 am PDT Apr 16, 2026
Forecast Valid:
6am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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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