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

70°F

21°C

Humidity 43%
Wind Speed WNW 9 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 May 03:35 PM PDT
Extended Forecast for

Portland International Airport OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 70. Northwest wind around 8 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming light west northwest after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. Northwest wind around 8 mph.
Tonight
Mostly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming light west northwest after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 50. North northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 51.
Memorial Day
A chance of rain. Mostly cloudy, with a high near 66.
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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:
3:41 pm PDT May 19, 2026
Forecast Valid:
3pm PDT May 19, 2026-6pm PDT May 25, 2026
 
Forecast Discussion
 
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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