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

66°F

19°C

Humidity 77%
Wind Speed W 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Aug 03:50 AM PDT
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: A slight chance of drizzle after 5am. Mostly cloudy, with a steady temperature around 62. North wind around 5 mph.

    Low: 62 °F

    Slight Chance
    Drizzle

  • Wednesday

    Wednesday: A slight chance of drizzle before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 76. Northwest wind 3 to 6 mph.

    High: 76 °F

    Slight Chance
    Drizzle then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. North northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy smoke after 1pm. Partly sunny, then gradually becoming sunny, with a high near 82. North northwest wind 3 to 6 mph.

    High: 82 °F

    Partly Sunny
    then Patchy
    Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Northwest wind 3 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle after 5am. Mostly cloudy, with a steady temperature around 62. North wind around 5 mph.
Wednesday
A slight chance of drizzle before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 76. Northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 57. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Patchy smoke after 1pm. Partly sunny, then gradually becoming sunny, with a high near 82. North northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 57. Northwest wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 83.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 79.
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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:
3:41 am PDT Aug 12, 2026
Forecast Valid:
4am PDT Aug 12, 2026-6pm PDT Aug 18, 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