National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Clear

43°F

6°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 27 Feb 09:20 PM PST
Extended Forecast for

Happy Valley OR

  • Tonight

    Tonight: Areas of frost after 2am. Otherwise, partly cloudy, with a low around 35. North wind around 7 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. North wind 6 to 8 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. North northeast wind around 6 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55. Northeast wind around 6 mph.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. East wind around 5 mph.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 40.

    Low: 40 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
Areas of frost after 2am. Otherwise, partly cloudy, with a low around 35. North wind around 7 mph.
Saturday
Mostly cloudy, with a high near 51. North wind 6 to 8 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. North northeast wind around 6 mph.
Sunday
A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 55. Northeast wind around 6 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. East wind around 5 mph.
Monday
Mostly sunny, with a high near 56.
Monday Night
Increasing clouds, with a low around 40.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 55.
Tuesday Night
Rain. Cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 50. Breezy.
Wednesday Night
Rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly cloudy, with a high near 50.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
Rain likely. Mostly cloudy, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
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 pm PST Feb 27, 2026
Forecast Valid:
9pm PST Feb 27, 2026-6pm PST Mar 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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