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

63°F

17°C

Humidity 59%
Wind Speed NNW 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Sep 09:55 PM PDT
Extended Forecast for

4 Miles N Lake Oswego OR

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 68. Calm wind.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 54. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers likely and possibly a thunderstorm after 11am. High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Calm wind.
Wednesday
Mostly sunny, with a high near 69. Calm wind.
Wednesday Night
Increasing clouds, with a low around 52. Calm wind.
Thursday
Mostly cloudy, with a high near 68. Calm wind.
Thursday Night
Rain. Low around 54. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain before 11am, then showers likely and possibly a thunderstorm after 11am. High near 61. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 64.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Lake Oswego OR
 45.46°N 122.68°W (Elev. 387 ft)
Last Update:
9:41 pm PDT Sep 22, 2026
Forecast Valid:
10pm PDT Sep 22, 2026-6pm PDT Sep 29, 2026
 
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