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

64°F

18°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 20 Sep 11:00 PM PDT
Extended Forecast for

Portland International Airport OR

  • Tonight

    Tonight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 74. Light west northwest wind.

    High: 74 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 11am. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Calm wind.
Monday
Partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 74. Light west northwest wind.
Tuesday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
A chance of rain after 11am. Mostly cloudy, with a high near 70.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 53.
Friday
A chance of rain. Mostly cloudy, with a high near 65.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 69.
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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:
10:41 pm PDT Sep 20, 2026
Forecast Valid:
11pm PDT Sep 20, 2026-6pm PDT Sep 27, 2026
 
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Additional Resources

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Chance of Precipitation