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.

Overcast

48°F

9°C

Humidity 81%
Wind Speed E 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Nov 10:20 AM PST
Extended Forecast for

4 Miles ENE Troutdale OR

  • Today

    Today: A 40 percent chance of rain before 3pm. Mostly sunny, with a high near 52. East wind around 6 mph becoming calm in the afternoon.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 38. Light east northeast wind.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain. Partly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

  • Sunday Night

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

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
A 40 percent chance of rain before 3pm. Mostly sunny, with a high near 52. East wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 38. Light east northeast wind.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 52. Light and variable wind.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40. Calm wind.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 55. Light and variable wind.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
Sunday Night
Rain. Mostly cloudy, with a low around 42.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49.
Monday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 48.
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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:
9:46 am PST Nov 20, 2025
Forecast Valid:
10am PST Nov 20, 2025-6pm PST Nov 26, 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