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.

Clear

54°F

12°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Oct 10:54 PM PDT
Extended Forecast for

Lake Berryessa CA

Red Flag Warning until October 16, 11:00am
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until October 16, 11:00am

    NOW until 11:00am Fri

    Red Flag Warning

  • Tonight

    Low: 61 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 85. North northwest wind 11 to 16 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Clear, with a low around 61. Breezy, with a north northwest wind 18 to 23 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 85. North northwest wind 11 to 16 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Clear, with a low around 59. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind.
Saturday Night
Clear, with a low around 57. Calm wind.
Sunday
Sunny, with a high near 78.
Sunday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 47.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 66.
Monday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain, mainly after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Berryessa CA
 38.59°N 122.25°W (Elev. 440 ft)
Last Update:
1:56 pm PDT Oct 15, 2026
Forecast Valid:
11pm PDT Oct 15, 2026-6pm PDT Oct 22, 2026
 
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