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

55°F

13°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 05 Aug 04:44 AM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Rain likely after 1am. Increasing clouds, with a low around 61. South southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Partly Cloudy
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 8am, then a chance of showers after 9am. Mostly cloudy, with a high near 72. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 74. Northwest wind around 6 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North northwest wind 3 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely after 1am. Increasing clouds, with a low around 61. South southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 8am, then a chance of showers after 9am. Mostly cloudy, with a high near 72. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 74. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 53. North northwest wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 93.
Sunday Night
Clear, with a low around 65.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.43°N 122.55°W (Elev. 423 ft)
Last Update:
4:46 pm PDT Aug 5, 2025
Forecast Valid:
5pm PDT Aug 5, 2025-6pm PDT Aug 12, 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