Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Clear

57°F

14°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 09:53 PM PDT
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 53. Light north wind.

    Low: 53 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 53. Light north wind.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.43°N 122.55°W (Elev. 423 ft)
9:41 pm PDT Sep 18, 2026
10pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
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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