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

70°F

21°C

Humidity 26%
Wind Speed ENE 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Apr 03:00 PM PDT
Extended Forecast for

Portland International Airport OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. Light east wind.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming east around 6 mph in the morning.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Calm wind becoming north northwest around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °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: A 50 percent chance of rain. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. Light east wind.
Tonight
Increasing clouds, with a low around 49. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 77. Calm wind becoming east around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 51. Calm wind becoming north northwest around 5 mph.
Monday
Mostly cloudy, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
Rain likely. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 46.
Thursday
A slight chance of rain. Partly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.58°N 122.59°W (Elev. 200 ft)
Last Update:
2:41 pm PDT Apr 18, 2026
Forecast Valid:
3pm 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