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

45°F

7°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Apr 02:53 AM PDT
Extended Forecast for

3 Miles NE Troutdale OR

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

    NOW until 9:00am Fri

    Frost Advisory

  • Overnight

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Areas of frost between 7am and 8am. Otherwise, increasing clouds, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 61 °F

    Areas Frost
    then
    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Calm wind becoming east around 5 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. East wind 3 to 5 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. West wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 74.

    High: 74 °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 slight chance of showers after 11am. Mostly cloudy, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 39. Calm wind.
Friday
Areas of frost between 7am and 8am. Otherwise, increasing clouds, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 43. Calm wind becoming east around 5 mph after midnight.
Saturday
Partly sunny, with a high near 72. East wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 51. West wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 74.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.
Monday
A slight chance of showers after 11am. Mostly cloudy, with a high near 74.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
Rain likely. 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 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Troutdale OR
 45.57°N 122.34°W (Elev. 135 ft)
Last Update:
2:41 am PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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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