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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

43°F

6°C

Humidity 100%
Wind Speed E 11 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 07 Dec 02:30 AM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory December 7, 02:48am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 7, 02:48am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Overnight

    Low: 41 °F

    Areas Dense
    Fog

  • Sunday

    Sunday: Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming south around 6 mph in the afternoon.

    High: 57 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 40. East northeast wind around 5 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 60. South wind 3 to 5 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Light south southwest wind.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Areas Fog

  • Wednesday

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

    High: 64 °F

    Areas Fog
    then Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind becoming east southeast around 5 mph.
Sunday
Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 40. East northeast wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 60. South wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 41. Light south southwest wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61.
Tuesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 44.
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 45.
Thursday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 65.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Friday
Areas of fog. Otherwise, sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 42.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.31°N 122.29°W (Elev. 30 ft)
Last Update:
2:33 am PST Dec 7, 2025
Forecast Valid:
2am PST Dec 7, 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