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

66°F

19°C

Humidity 63%
Wind Speed NE 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 54°F (12°C)
Visibility 8.00 mi
Last update 18 Sep 05:35 PM PDT
Extended Forecast for

Lake Oswego OR

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Light north wind.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Light north wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Light north northwest wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Light north wind.
Saturday Night
Partly cloudy, with a low around 54. Light north wind.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Light north northwest wind.
Sunday Night
Mostly clear, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Friday
A slight chance of rain. Partly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Oswego OR
 45.42°N 122.67°W (Elev. 200 ft)
Last Update:
5:41 pm PDT Sep 18, 2026
Forecast Valid:
5pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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