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.

Overcast

63°F

17°C

Humidity 55%
Wind Speed ENE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 16 May 05:53 PM PDT
Extended Forecast for

Portland International Airport OR

  • Tonight

    Tonight: Showers, mainly after midnight. Low around 53. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 64. West northwest wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 46. West northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 63. West wind 6 to 8 mph.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after midnight. Low around 53. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 64. West northwest wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 46. West northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 63. West wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 45. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 47.
Tuesday
A slight chance of showers. Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.56°N 122.59°W (Elev. 200 ft)
Last Update:
5:46 pm PDT May 16, 2025
Forecast Valid:
6pm PDT May 16, 2025-6pm PDT May 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation