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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

45°F

7°C

Humidity 93%
Wind Speed ESE 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 43°F (6°C)
Visibility 3.50 mi
Wind Chill42°F (6°C)
Last update 06 Dec 07:35 PM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory December 6, 07:55pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 6, 07:55pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 41 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.

    High: 56 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of fog. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Monday

    Monday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 60. Light southwest wind.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

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

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Sunday
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Areas of fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 60. Light southwest wind.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43. Calm wind.
Tuesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 61.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64.
Thursday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 63.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.31°W (Elev. 190 ft)
Last Update:
12:26 pm PST Dec 6, 2025
Forecast Valid:
7pm PST Dec 6, 2025-6pm PST Dec 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation