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.

Clear

57°F

14°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 12:35 AM PDT
Extended Forecast for

4 Miles ENE Troutdale OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Light east southeast wind.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain, mainly after 5pm. Partly sunny, with a high near 75. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 60. Light west southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. West wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 56. Breezy. Chance of precipitation is 80%.

    High: 56 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Chance Rain
    and Breezy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain. Mostly cloudy, then gradually becoming sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Light east southeast wind.
Monday
A 30 percent chance of rain, mainly after 5pm. Partly sunny, with a high near 75. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 60%.
Tuesday
Rain likely. Mostly cloudy, with a high near 60. Light west southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. West wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 56. Breezy. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy.
Thursday
A slight chance of rain. Mostly cloudy, then gradually becoming sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 70.
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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:
12:41 am PDT Apr 20, 2026
Forecast Valid:
12am PDT Apr 20, 2026-6pm PDT Apr 26, 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