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

70°F

21°C

Humidity 32%
Wind Speed E 6 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Apr 07:00 PM PDT
Extended Forecast for

4 Miles N Troutdale OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 50. West wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 59. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. West northwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °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 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: A slight chance of rain after 11am. 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 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50. West wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. West northwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 56. Breezy. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Breezy.
Thursday
A slight chance of rain after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Troutdale OR
 45.61°N 122.41°W (Elev. 200 ft)
Last Update:
6:41 pm PDT Apr 19, 2026
Forecast Valid:
7pm PDT Apr 19, 2026-6pm PDT Apr 26, 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