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.

Mist

45°F

7°C

Humidity 96%
Wind Speed E 16 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 44°F (7°C)
Visibility 6.00 mi
Wind Chill38°F (3°C)
Last update 27 Nov 05:54 AM PST
Extended Forecast for

3 Miles NNW Vallejo CA

Dense Fog Advisory November 27, 06:09am until November 27, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 27, 06:09am until November 27, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Thanksgiving Day

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 43. East wind 5 to 7 mph becoming calm after midnight.

    Low: 43 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 59. East wind around 5 mph becoming calm in the morning.

    High: 59 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy dense fog. Otherwise, mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Areas Dense
    Fog then
    Sunny

  • Saturday Night

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

    Low: 43 °F

    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 59. East wind 7 to 9 mph.
Tonight
Patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 43. East wind 5 to 7 mph becoming calm after midnight.
Friday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 59. East wind around 5 mph becoming calm in the morning.
Friday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 43. Light and variable wind.
Saturday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 60. Light and variable wind.
Saturday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 43.
Sunday
Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 61.
Monday Night
Patchy dense fog after 3am. Otherwise, mostly clear, with a low around 43.
Tuesday
Patchy dense fog. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vallejo CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
1:52 am PST Nov 27, 2025
Forecast Valid:
6am PST Nov 27, 2025-6pm PST Dec 3, 2025
 
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Additional Resources

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