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.

Mostly Cloudy

46°F

8°C

Humidity 87%
Wind Speed E 12 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 20 Nov 09:20 AM PST
Extended Forecast for

Happy Valley OR

  • Today

    Today: A 30 percent chance of rain, mainly between 10am and 3pm. Mostly sunny, with a high near 50. South wind around 7 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 37. East northeast wind around 6 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 9am. Otherwise, partly sunny, with a high near 48. East wind around 5 mph becoming light and variable in the morning.

    High: 48 °F

    Patchy Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 40. East southeast wind 3 to 6 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 50. East wind around 5 mph becoming light and variable.

    High: 50 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 4pm. High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Partly sunny, with a high near 48.

    High: 48 °F

    Rain Likely

Detailed Forecast

Today
A 30 percent chance of rain, mainly between 10am and 3pm. Mostly sunny, with a high near 50. South wind around 7 mph.
Tonight
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 37. East northeast wind around 6 mph.
Friday
Patchy frost before 9am. Otherwise, partly sunny, with a high near 48. East wind around 5 mph becoming light and variable in the morning.
Friday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 40. East southeast wind 3 to 6 mph.
Saturday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 50. East wind around 5 mph becoming light and variable.
Saturday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42.
Sunday
Rain, mainly after 4pm. High near 51. Chance of precipitation is 80%.
Sunday Night
Rain. Mostly cloudy, with a low around 42.
Monday
Rain likely, mainly before 10am. Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
A chance of rain and snow. Snow level 2800 feet. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 46.
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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:
8:41 am PST Nov 20, 2025
Forecast Valid:
9am PST Nov 20, 2025-6pm PST Nov 26, 2025
 
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Additional Resources

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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