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.

Overcast

59°F

15°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 03 Oct 09:35 PM PDT
Extended Forecast for

3 Miles NNE Happy Valley OR

  • Tonight

    Tonight: Showers likely, mainly between 3am and 4am. Mostly cloudy, with a low around 55. Calm wind becoming southwest 5 to 7 mph in the evening. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 66. West southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 50. Northwest wind 3 to 5 mph.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 72. East northeast wind 5 to 14 mph, with gusts as high as 20 mph.

    High: 72 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. Northeast wind 6 to 10 mph.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly between 3am and 4am. Mostly cloudy, with a low around 55. Calm wind becoming southwest 5 to 7 mph in the evening. Chance of precipitation is 60%.
Saturday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 66. West southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 50. Northwest wind 3 to 5 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 72. East northeast wind 5 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 49. Northeast wind 6 to 10 mph.
Monday
Sunny, with a high near 75.
Monday Night
Clear, with a low around 53.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A slight chance of showers after 11am. Mostly sunny, with a high near 71.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Thursday
A chance of showers. Partly sunny, with a high near 71.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51.
Friday
A chance of showers. Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Happy Valley OR
 45.48°N 122.53°W (Elev. 285 ft)
Last Update:
9:41 pm PDT Oct 3, 2025
Forecast Valid:
9pm PDT Oct 3, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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