National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Clear

45°F

7°C

Humidity 81%
Wind Speed WSW 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Last update 18 Apr 04:35 AM PDT
Extended Forecast for

Portland International Airport OR

  • Today

    Today: Mostly sunny, with a high near 72. Light east southeast wind.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 72. Light east southeast wind.
Tonight
Mostly cloudy, with a low around 49. Light and variable wind.
Sunday
Mostly cloudy, with a high near 75. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 51.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 46.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 61.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.6°N 122.6°W (Elev. 200 ft)
Last Update:
4:41 am PDT Apr 18, 2026
Forecast Valid:
4am PDT Apr 18, 2026-6pm PDT Apr 24, 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