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 WNW 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 23 May 05:53 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Mostly clear, with a low around 48. North northwest wind 6 to 11 mph becoming light north northeast after midnight. Winds could gust as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Light and variable wind becoming north around 6 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. South wind 5 to 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Rain after 11am. High near 65. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Showers. Low around 46. Breezy, with a south southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. North northwest wind 6 to 11 mph becoming light north northeast after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 76. Light and variable wind becoming north around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 54. South wind 5 to 9 mph.
Memorial Day
Rain after 11am. High near 65. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers. Low around 46. Breezy, with a south southwest wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 62. Chance of precipitation is 80%.
Tuesday Night
A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Friday
A slight chance of rain. Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.46°N 122.53°W (Elev. 581 ft)
Last Update:
5:41 pm PDT May 23, 2026
Forecast Valid:
6pm PDT May 23, 2026-6pm PDT May 30, 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