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.

Mist

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 36°F (2°C)
Visibility 0.75 mi
Last update 19 Nov 01:22 AM PST
Extended Forecast for

Happy Valley OR

  • Overnight

    Overnight: Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 35. North northeast wind around 6 mph.

    Low: 35 °F

    Patchy Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, partly sunny, with a high near 51. East northeast wind around 7 mph.

    High: 51 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Rain. Steady temperature around 46. Southeast wind 9 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 10am. Partly sunny, with a high near 50. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 39. East southeast wind around 7 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy frost after 2am. Otherwise, mostly cloudy, with a low around 35. North northeast wind around 6 mph.
Wednesday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 51. East northeast wind around 7 mph.
Wednesday Night
Rain. Steady temperature around 46. Southeast wind 9 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 50. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39. East southeast wind around 7 mph.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 49.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 53.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain likely. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.46°N 122.56°W (Elev. 925 ft)
Last Update:
1:01 am PST Nov 19, 2025
Forecast Valid:
1am PST Nov 19, 2025-6pm PST Nov 25, 2025
 
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