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.

Rain

46°F

8°C

Humidity 88%
Wind Speed E 5 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill44°F (7°C)
Last update 20 Nov 01:53 AM PST
Extended Forecast for

3 Miles NNE Troutdale OR

  • Overnight

    Overnight: Rain likely, mainly before 5am. Mostly cloudy, with a low around 43. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain between 10am and 3pm. Partly sunny, with a high near 53. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Light east northeast wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 52. Calm 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 before 4pm. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

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

    Low: 42 °F

    Rain

Detailed Forecast

Overnight
Rain likely, mainly before 5am. Mostly cloudy, with a low around 43. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain between 10am and 3pm. Partly sunny, with a high near 53. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%.
Thursday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Light east northeast wind.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 52. Calm 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 before 4pm. Partly sunny, with a high near 55.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly cloudy, with a high near 55.
Sunday Night
Rain. Mostly cloudy, with a low around 42.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 50.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 50.
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:
3 Miles NNE Troutdale OR
 45.59°N 122.38°W (Elev. 102 ft)
Last Update:
1:46 am PST Nov 20, 2025
Forecast Valid:
2am PST Nov 20, 2025-6pm PST Nov 26, 2025
 
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