National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Aurora State Airport (KUAO)

Lat: 45.24658°NLon: 122.77095°WElev: 194.0ft.

Mist

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 37°F (3°C)
Visibility 0.75 mi
Last update 13 Jan 11:53 AM PST
Extended Forecast for

Lake Oswego OR

Air Stagnation Advisory January 13, 12:08pm until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 13, 12:08pm until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • This Afternoon

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 54. North northeast wind 3 to 6 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 49. Calm wind.
Tonight
Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Wednesday
Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 50. Calm wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.
Thursday
Sunny, with a high near 54. North northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 35.
M.L.King Day
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Oswego OR
 45.41°N 122.73°W (Elev. 200 ft)
Last Update:
11:50 am PST Jan 13, 2026
Forecast Valid:
12pm PST Jan 13, 2026-6pm PST Jan 19, 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