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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Fog

39°F

4°C

Humidity 100%
Wind Speed SE 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Last update 21 Nov 05:41 AM PST
Extended Forecast for

2 Miles NW Portland International Airport OR

Dense Fog Advisory until November 21, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 21, 10:00am

    NOW until 10:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 38 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Patchy dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Rain likely after 4am. Patchy fog before 10pm. Otherwise, increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 60%.

    Low: 41 °F

    Patchy Fog
    then Rain
    Likely

  • Sunday

    Sunday: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Showers. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 50.

    High: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Friday
Patchy dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind.
Friday Night
Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 51. Calm wind.
Saturday Night
Rain likely after 4am. Patchy fog before 10pm. Otherwise, increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 60%.
Sunday
Rain. High near 51. Chance of precipitation is 90%.
Sunday Night
Showers. Low around 39. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 50.
Monday Night
A slight chance of showers after 4am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 48.
Tuesday Night
Rain likely. Cloudy, with a low around 42.
Wednesday
Rain likely. Cloudy, with a high near 51.
Wednesday Night
Rain likely. Cloudy, with a low around 47.
Thanksgiving Day
Rain likely. Cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Portland International Airport OR
 45.6°N 122.63°W (Elev. 92 ft)
Last Update:
5:41 am PST Nov 21, 2025
Forecast Valid:
5am PST Nov 21, 2025-6pm PST Nov 27, 2025
 
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