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

63°F

17°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Aug 01:00 AM PDT
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 55. North wind around 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 80. North northwest wind 3 to 6 mph.

    High: 80 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60. North northwest wind 3 to 5 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 72.

    High: 72 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. North wind around 6 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 80. North northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 60. North northwest wind 3 to 5 mph.
Friday
Mostly cloudy, with a high near 81.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 57.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 78.
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:
12:41 am PDT Aug 19, 2026
Forecast Valid:
1am PDT Aug 19, 2026-6pm PDT Aug 25, 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