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

70°F

21°C

Humidity 49%
Wind Speed NW 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 May 07:35 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Mostly clear, with a low around 48. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Light and variable wind becoming north around 6 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. South wind 5 to 11 mph.

    Low: 54 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Rain after 11am. High near 64. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Showers. Low around 45. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 61. Breezy. Chance of precipitation is 80%.

    High: 61 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 76. Light and variable wind becoming north around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 54. South wind 5 to 11 mph.
Memorial Day
Rain after 11am. High near 64. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers. Low around 45. Breezy, with a south southwest wind 15 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 61. Breezy. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Friday
A slight chance of rain. Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
7:41 pm PDT May 23, 2026
Forecast Valid:
7pm PDT May 23, 2026-6pm PDT May 30, 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