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

81°F

27°C

Humidity 28%
Wind Speed NW 8 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 May 04:00 PM PDT
Extended Forecast for

3 Miles N Lake Oswego OR

  • Tonight

    Tonight: Partly cloudy, with a low around 53. North wind 5 to 9 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. North wind 3 to 7 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light north wind.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Rain after 11am. High near 63. Breezy. Chance of precipitation is 80%.

    High: 63 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. North wind 5 to 9 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 78. North wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 79. Light north wind.
Sunday Night
Partly cloudy, with a low around 53. Calm wind becoming south 5 to 7 mph after midnight.
Memorial Day
Rain after 11am. High near 63. Breezy. Chance of precipitation is 80%.
Monday Night
Rain. Low around 47. Chance of precipitation is 80%.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A slight chance of rain. Mostly sunny, with a high near 71.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lake Oswego OR
 45.46°N 122.68°W (Elev. 387 ft)
Last Update:
3:41 pm PDT May 22, 2026
Forecast Valid:
4pm PDT May 22, 2026-6pm PDT May 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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