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

57°F

14°C

Humidity 47%
Wind Speed E 16 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Apr 03:20 AM PDT
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Northeast wind around 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. East northeast wind around 7 mph becoming south in the afternoon.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. North wind around 6 mph becoming south southwest after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 50. Southwest wind 6 to 10 mph.

    Low: 50 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Northeast wind around 6 mph.
Sunday
Partly sunny, with a high near 73. East northeast wind around 7 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 51. North wind around 6 mph becoming south southwest after midnight.
Monday
Mostly cloudy, with a high near 72. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 50. Southwest wind 6 to 10 mph.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
Rain. Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 46.
Thursday
A slight chance of rain after 11am. Partly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, 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:
2:41 am PDT Apr 19, 2026
Forecast Valid:
3am PDT Apr 19, 2026-6pm PDT Apr 25, 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