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.

Partly Cloudy

63°F

17°C

Humidity 82%
Wind Speed E 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 06:05 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: A 30 percent chance of showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. South southwest wind 7 to 10 mph becoming southeast after midnight.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after 1pm. High near 68. Southeast wind 7 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Mostly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 11pm. Low around 53. Breezy, with a south wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 64. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 52. Breezy, with a south wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. South southwest wind 7 to 10 mph becoming southeast after midnight.
Tuesday
Showers, mainly after 1pm. High near 68. Southeast wind 7 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 11pm. Low around 53. Breezy, with a south wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 64. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 52. Breezy, with a south wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 66.
Friday Night
A slight chance of showers after 11pm. Mostly cloudy, with a low around 50.
Saturday
A slight chance of showers. Partly sunny, with a high near 64.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
5:45 pm PDT Sep 29, 2025
Forecast Valid:
6pm PDT Sep 29, 2025-6pm PDT Oct 6, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation