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.

Rain

64°F

18°C

Humidity 52%
Wind Speed S 12 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 20 Apr 04:20 PM PDT
Extended Forecast for

Portland International Airport OR

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 73. West wind around 9 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 51. West northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Cloudy, with a high near 60. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 48. West northwest wind 6 to 8 mph becoming southwest after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely before 11am, then showers after 11am. High near 57. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 73. West wind around 9 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 51. West northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 2pm. Cloudy, with a high near 60. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48. West northwest wind 6 to 8 mph becoming southwest after midnight. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely before 11am, then showers after 11am. High near 57. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. 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.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 47.
Monday
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:
3:41 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation