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.

Partly Cloudy

64°F

18°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 03 Oct 03:00 PM PDT
Extended Forecast for

3 Miles NNW Lake Oswego OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. South southwest wind around 5 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 54. South southwest wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 66. South southwest wind around 6 mph becoming calm in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 11pm. Partly cloudy, with a low around 50. Calm wind becoming north around 6 mph in the evening.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 70. North wind 5 to 13 mph.

    High: 70 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. South southwest wind around 5 mph.
Tonight
Showers likely, mainly after 3am. Mostly cloudy, with a low around 54. South southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 66. South southwest wind around 6 mph becoming calm in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of showers before 11pm. Partly cloudy, with a low around 50. Calm wind becoming north around 6 mph in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 70. North wind 5 to 13 mph.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 74.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 70.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Thursday
A chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Oswego OR
 45.46°N 122.71°W (Elev. 456 ft)
Last Update:
3:20 pm PDT Oct 3, 2025
Forecast Valid:
3pm PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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