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

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

41°F

5°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Apr 06:20 AM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

Frost Advisory until April 17, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory until April 17, 09:00am

    NOW until 9:00am Fri

    Frost Advisory

  • Today

    High: 61 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. East wind 5 to 7 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Light and variable wind becoming east around 6 mph after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 73. East wind around 7 mph.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Today
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 43. Calm wind becoming east northeast around 6 mph after midnight.
Saturday
Partly sunny, with a high near 72. East wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 51. Light and variable wind becoming east around 6 mph after midnight.
Sunday
A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 73. East wind around 7 mph.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.
Monday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 73.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 48.
Wednesday
Rain likely. Mostly cloudy, with a high near 59. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44. Breezy.
Thursday
A slight chance of rain. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Troutdale OR
 45.58°N 122.31°W (Elev. 112 ft)
Last Update:
5:41 am PDT Apr 17, 2026
Forecast Valid:
6am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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