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

54°F

12°C

Humidity 81%
Wind Speed NW 5 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Apr 09:35 PM PDT
Extended Forecast for

Portland International Airport OR

  • Tonight

    Tonight: A chance of showers between midnight and 5am, then a chance of rain after 5am. Cloudy, with a low around 48. Northwest wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain, mainly before 2pm. High near 57. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. South wind around 6 mph.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers between midnight and 5am, then a chance of rain after 5am. Cloudy, with a low around 48. Northwest wind 6 to 8 mph becoming southwest after midnight. Chance of precipitation is 40%.
Wednesday
Rain, mainly before 2pm. High near 57. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 62. South wind around 6 mph.
Thursday Night
Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A slight chance of rain. Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.6°N 122.6°W (Elev. 200 ft)
Last Update:
9:41 pm PDT Apr 21, 2026
Forecast Valid:
9pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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