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

81°F

27°C

Humidity 30%
Wind Speed W 3 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 May 04:35 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 52. North northwest wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 76. North northwest wind 6 to 9 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 21 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. West northwest wind 5 to 14 mph becoming south southeast in the evening.

    Low: 53 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Rain after 11am. High near 62. Breezy. Chance of precipitation is 80%.

    High: 62 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 46. Chance of precipitation is 100%.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers
    Likely

  • Tuesday Night

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

    Low: 47 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. North northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 76. North northwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 49. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 77. Northwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 53. West northwest wind 5 to 14 mph becoming south southeast in the evening.
Memorial Day
Rain after 11am. High near 62. Breezy. Chance of precipitation is 80%.
Monday Night
Rain. Low around 46. Chance of precipitation is 100%.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A slight chance of rain. Mostly sunny, with a high near 69.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Friday
A slight chance of rain. Partly sunny, with a high near 67.
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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:
4:41 pm PDT May 22, 2026
Forecast Valid:
4pm PDT May 22, 2026-6pm PDT May 29, 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