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.

Mist

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 45°F (7°C)
Visibility 2.50 mi
Last update 02 Nov 12:24 AM PDT
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: A 50 percent chance of showers, mainly between 1am and 4am. Mostly cloudy, with a low around 43. South southwest wind 8 to 10 mph.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 54. South wind around 6 mph becoming light and variable.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Northeast wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of rain. Cloudy, with a high near 54. East northeast wind 6 to 10 mph becoming south southeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 45. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 50. Breezy. Chance of precipitation is 100%.

    Low: 50 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 57. Breezy.

    High: 57 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Showers and
    Breezy

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly between 1am and 4am. Mostly cloudy, with a low around 43. South southwest wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 54. South wind around 6 mph becoming light and variable.
Sunday Night
Mostly cloudy, with a low around 45. Northeast wind 6 to 11 mph, with gusts as high as 18 mph.
Monday
A 40 percent chance of rain. Cloudy, with a high near 54. East northeast wind 6 to 10 mph becoming south southeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 45. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 50. Breezy. Chance of precipitation is 100%.
Wednesday
Showers, with thunderstorms also possible after 11am. Cloudy, with a high near 57. Breezy.
Wednesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 49. Breezy.
Thursday
Showers. Cloudy, with a high near 55. Breezy.
Thursday Night
Showers. Cloudy, with a low around 47. Breezy.
Friday
Showers. Mostly cloudy, with a high near 54. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Mostly cloudy, with a high near 55.
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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:
12:40 am PDT Nov 2, 2025
Forecast Valid:
12am PDT Nov 2, 2025-6pm PST Nov 8, 2025
 
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