National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Apr 03:35 AM PDT
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Overnight

    Overnight: Clear, with a low around 42. Light north northwest wind.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67. North wind 7 to 14 mph, with gusts as high as 30 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North wind around 11 mph, with gusts as high as 34 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. North wind 6 to 9 mph, with gusts as high as 26 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 11am. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Clear, with a low around 42. Light north northwest wind.
Thursday
Sunny, with a high near 67. North wind 7 to 14 mph, with gusts as high as 30 mph.
Thursday Night
Clear, with a low around 47. North wind around 11 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 74. North wind 6 to 9 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 46. Light and variable wind.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 70.
Sunday Night
A chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 48.
Monday
A chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 63.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
Last Update:
1:46 am PDT Apr 16, 2026
Forecast Valid:
3am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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