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

73°F

23°C

Humidity 46%
Wind Speed WSW 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 01:20 PM PDT
Extended Forecast for

Happy Valley OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Northwest wind around 7 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. North northwest wind 5 to 9 mph becoming south southwest after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Partly sunny, with a high near 72. South southwest wind around 7 mph becoming west in the afternoon.

    High: 72 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 50. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 73 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

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

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Northwest wind around 7 mph.
Tonight
Increasing clouds, with a low around 54. North northwest wind 5 to 9 mph becoming south southwest after midnight.
Saturday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 72. South southwest wind around 7 mph becoming west in the afternoon.
Saturday Night
Increasing clouds, with a low around 50. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A slight chance of rain after 11am. Partly sunny, with a high near 75.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Wednesday
Rain likely. Mostly cloudy, with a high near 66.
Wednesday Night
Rain. Cloudy, with a low around 52.
Thursday
Rain likely. Mostly cloudy, with a high near 68.
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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:
12:41 pm PDT Aug 28, 2026
Forecast Valid:
1pm PDT Aug 28, 2026-6pm PDT Sep 3, 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