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

61°F

16°C

Humidity 80%
Wind Speed N 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 02:53 AM PDT
Extended Forecast for

3 Miles NNW Lake Oswego OR

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 61. Calm wind.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Light north northwest wind.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. Light north northwest wind.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Light north northwest wind.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 61. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind.
Saturday Night
Mostly cloudy, with a low around 58. Light north northwest wind.
Sunday
Partly sunny, with a high near 83. Light north northwest wind.
Sunday Night
Mostly cloudy, with a low around 59. Light north northwest wind.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Oswego OR
 45.45°N 122.74°W (Elev. 463 ft)
Last Update:
2:41 am PDT Aug 15, 2026
Forecast Valid:
3am PDT Aug 15, 2026-6pm PDT Aug 21, 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