Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Mist

43°F

6°C

Humidity 93%
Wind Speed ENE 8 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill38°F (3°C)
Last update 05 Dec 04:00 AM PST
Extended Forecast for

4 Miles SW Napa CA

Coastal Flood Advisory December 5, 04:23am until December 7, 03:00pm
Cold Weather Advisory December 5, 04:23am until December 5, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Coastal Flood Advisory December 5, 04:23am until December 7, 03:00pm
    Cold Weather Advisory December 5, 04:23am until December 5, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 59 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 4am.  Otherwise, mostly clear, with a low around 40. Light and variable wind.

    Low: 40 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 7am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 61. West northwest wind around 5 mph becoming light and variable.

    High: 61 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 1am.  Otherwise, partly cloudy, with a low around 42. Light west northwest wind.

    Low: 42 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 10pm and 4am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog between 7am and 11am.  Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Today
Patchy fog before 9am. Patchy frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming south southwest around 6 mph in the morning.
Tonight
Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 40. Light and variable wind.
Saturday
Areas of fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 61. West northwest wind around 5 mph becoming light and variable.
Saturday Night
Patchy fog before 1am. Otherwise, partly cloudy, with a low around 42. Light west northwest wind.
Sunday
Mostly sunny, with a high near 62. Light and variable wind.
Sunday Night
Patchy fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 42.
Monday
Areas of fog between 7am and 11am. Otherwise, mostly sunny, with a high near 63.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 63.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Thursday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Napa CA
 38.26°N 122.36°W (Elev. 98 ft)
1:40 am PST Dec 5, 2025
4am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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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