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

68°F

20°C

Humidity 60%
Wind Speed W 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Aug 09:00 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North wind 3 to 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Northwest wind 3 to 7 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 71. West wind 3 to 6 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 73.

    High: 73 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. North wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 76. Northwest wind 3 to 7 mph.
Friday Night
Increasing clouds, with a low around 54. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 71. West wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 52. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A slight chance of rain. Partly sunny, with a high near 72.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 69.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Thursday
A chance of rain. Partly sunny, with a high near 70.
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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:
8:41 pm PDT Aug 27, 2026
Forecast Valid:
9pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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