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

55°F

13°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 23 Sep 03:20 AM PDT
Extended Forecast for

Portland International Airport OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. North northwest wind 5 to 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 69. Light and variable wind.

    High: 69 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 55. Light west wind becoming south southeast 5 to 9 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 62. Breezy. Chance of precipitation is 90%.

    High: 62 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Calm wind.
Wednesday
Partly sunny, with a high near 70. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. North northwest wind 5 to 7 mph.
Thursday
Mostly cloudy, with a high near 69. Light and variable wind.
Thursday Night
Rain. Low around 55. Light west wind becoming south southeast 5 to 9 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 62. Breezy. Chance of precipitation is 90%.
Friday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Partly sunny, with a high near 67.
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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:
2:41 am PDT Sep 23, 2026
Forecast Valid:
3am PDT Sep 23, 2026-6pm PDT Sep 29, 2026
 
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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