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.

Clear

81°F

27°C

Humidity 42%
Wind Speed N 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Heat Index81°F (27°C)
Last update 18 Aug 07:20 PM PDT
Extended Forecast for

3 Miles N Portland International Airport OR

  • Tonight

    Tonight: Increasing clouds, with a low around 57. North northwest wind 3 to 8 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. North northwest wind 3 to 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 86. Light west northwest wind.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. North northwest wind 3 to 8 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. North northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 86. Light west northwest wind.
Thursday Night
Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 80.
Friday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 73.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Portland International Airport OR
 45.62°N 122.61°W (Elev. 200 ft)
Last Update:
6:41 pm PDT Aug 18, 2026
Forecast Valid:
7pm PDT Aug 18, 2026-6pm PDT Aug 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