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

70°F

21°C

Humidity 52%
Wind Speed W 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 May 10:15 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Clear, with a low around 52. North northwest wind 5 to 10 mph becoming light after midnight.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. Light north wind increasing to 5 to 10 mph in the morning.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Northwest wind around 7 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 52 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Breezy.

    High: 62 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Rain, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Rain and
    Breezy

Detailed Forecast

Tonight
Clear, with a low around 52. North northwest wind 5 to 10 mph becoming light after midnight.
Friday
Sunny, with a high near 78. Light north wind increasing to 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 52. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 75. Northwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 49. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 52.
Memorial Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. Breezy.
Monday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy.
Tuesday
A chance of rain. Partly sunny, with a high near 63.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 48.
Wednesday
A slight chance of rain. Partly sunny, with a high near 66.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Thursday
A slight chance of rain. Partly sunny, 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:
9:41 pm PDT May 21, 2026
Forecast Valid:
10pm PDT May 21, 2026-6pm PDT May 28, 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