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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Partly Cloudy

43°F

6°C

Humidity 81%
Wind Speed ESE 8 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Jan 06:00 AM PST
Extended Forecast for

2 Miles SW Portland OR

Air Stagnation Advisory January 12, 06:18am until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 12, 06:18am until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Today

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy dense fog between 10am and 11am. Otherwise, partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog between 7am and noon. Otherwise, partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 54.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 52. Calm wind.
Tonight
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Patchy dense fog between 10am and 11am. Otherwise, partly sunny, with a high near 51. Calm wind.
Tuesday Night
Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Wednesday
Patchy dense fog between 7am and noon. Otherwise, partly sunny, with a high near 49. Calm wind.
Wednesday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 39.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 54.
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 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Portland OR
 45.5°N 122.72°W (Elev. 525 ft)
Last Update:
4:41 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation