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

46°F

8°C

Humidity 95%
Wind Speed NE 6 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill43°F (6°C)
Last update 25 Nov 11:54 PM PST
Extended Forecast for

2 Miles SE Lake Berryessa CA

Dense Fog Advisory November 26, 12:07am until November 26, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 26, 12:07am until November 26, 11:00am

    NOW until 11:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy dense fog before 9am. Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Calm wind.
Wednesday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 61. Calm wind.
Wednesday Night
Partly cloudy, with a low around 48. Calm wind.
Thanksgiving Day
Mostly sunny, with a high near 62. Calm wind.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lake Berryessa CA
 38.55°N 122.21°W (Elev. 440 ft)
Last Update:
10:12 pm PST Nov 25, 2025
Forecast Valid:
12am PST Nov 26, 2025-6pm PST Dec 2, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation