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

54°F

12°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Apr 02:20 AM PDT
Extended Forecast for

Portland International Airport OR

  • Overnight

    Overnight: Rain likely, mainly after 5am. Mostly cloudy, with a steady temperature around 54. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly before 3pm. High near 60. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 8pm. Cloudy, with a low around 48. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 58. South southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 65.

    High: 65 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Mostly cloudy, with a steady temperature around 54. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 3pm. High near 60. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 8pm. Cloudy, with a low around 48. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 58. South southwest wind 8 to 13 mph, with gusts as high as 23 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 rain before 11pm. Mostly cloudy, with a low around 45. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Airport OR
 45.58°N 122.59°W (Elev. 200 ft)
Last Update:
2:00 am PDT Apr 21, 2026
Forecast Valid:
2am PDT Apr 21, 2026-6pm PDT Apr 27, 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