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

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

48°F

9°C

Humidity 100%
Wind Speed NE 6 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 25 Nov 09:00 AM PST
Extended Forecast for

Napa CA

Dense Fog Advisory November 25, 09:20am until November 25, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 25, 09:20am until November 25, 11:00am

    NOW until 11:00am Tue

    Dense Fog Advisory

  • Today

    High: 62 °F

    Areas Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly between 9pm and 1am. Otherwise, partly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 9am. Otherwise, sunny, with a high near 64. Calm wind.

    High: 64 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Dense
    Fog

  • Thanksgiving Day

    Thanksgiving Day: Patchy dense fog between 7am and 9am. Otherwise, partly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Widespread dense fog, mainly between 10pm and 4am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Dense Fog

  • Friday

    Friday: Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, sunny, with a high near 62. Light south wind.
Tonight
Widespread dense fog, mainly between 9pm and 1am. Otherwise, partly cloudy, with a low around 41. Light and variable wind.
Wednesday
Widespread dense fog, mainly before 9am. Otherwise, sunny, with a high near 64. Calm wind.
Wednesday Night
Patchy dense fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Thanksgiving Day
Patchy dense fog between 7am and 9am. Otherwise, partly sunny, with a high near 64. Calm wind.
Thursday Night
Widespread dense fog, mainly between 10pm and 4am. Otherwise, partly cloudy, with a low around 44.
Friday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:17 am PST Nov 25, 2025
Forecast Valid:
9am PST Nov 25, 2025-6pm PST Dec 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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