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.

Partly Cloudy

55°F

13°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Apr 03:00 AM PDT
Extended Forecast for

2 Miles NNE Troutdale OR

  • Overnight

    Overnight: Rain likely, mainly before 5am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%.

    Low: 51 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly before 4pm. High near 60. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 3am. Cloudy, with a low around 47. West wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 56. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 63.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Overnight
Rain likely, mainly before 5am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%.
Tuesday
Rain, mainly before 4pm. High near 60. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly after 3am. Cloudy, with a low around 47. West wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 56. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 72.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 47.
Monday
A slight chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Troutdale OR
 45.57°N 122.37°W (Elev. 141 ft)
Last Update:
2:41 am PDT Apr 21, 2026
Forecast Valid:
3am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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