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

47°F

8°C

Humidity 83%
Wind Speed ESE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 30 Nov 02:54 PM PST
Extended Forecast for

Lake Berryessa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Northwest wind 5 to 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58. North northwest wind 5 to 9 mph becoming light north northeast in the afternoon.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. West northwest wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 61. Northwest wind around 5 mph becoming calm in the morning.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Light north northwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. Breezy.

    High: 59 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 58. North northwest wind 5 to 9 mph becoming light north northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 44. West northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 61. Northwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 45. Light north northwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 59. Breezy.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 44.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Berryessa CA
 38.57°N 122.24°W (Elev. 732 ft)
Last Update:
12:26 pm PST Nov 30, 2025
Forecast Valid:
3pm PST Nov 30, 2025-6pm PST Dec 7, 2025
 
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Additional Resources

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Chance of Precipitation