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.

Overcast

64°F

18°C

Humidity 77%
Wind Speed SSE 6 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 29 Sep 02:30 PM PDT
Extended Forecast for

2 Miles ENE Lake Oswego OR

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 64. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 51. South wind 3 to 5 mph.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers, mainly after 2pm. High near 68. Southeast wind 6 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Mostly Sunny
    then Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 11pm. Low around 55. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 66. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers. Steady temperature around 64. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 51. South wind 3 to 5 mph.
Tuesday
Showers, mainly after 2pm. High near 68. Southeast wind 6 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers, with thunderstorms also possible after 11pm. Low around 55. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 66. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Thursday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 68.
Friday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 51.
Saturday
A slight chance of showers. Partly sunny, with a high near 66.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Lake Oswego OR
 45.42°N 122.67°W (Elev. 200 ft)
Last Update:
2:41 pm PDT Sep 29, 2025
Forecast Valid:
2pm PDT Sep 29, 2025-6pm PDT Oct 5, 2025
 
Forecast Discussion
 
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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