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.

Clear

61°F

16°C

Humidity 87%
Wind Speed S 12 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Jul 09:05 PM PDT
Extended Forecast for

4 Miles W Lake Berryessa CA

  • Tonight

    Tonight: Clear, with a low around 55. South southwest wind around 6 mph becoming calm after midnight.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Southwest wind 5 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Clear, with a low around 55. South southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. Southwest wind 5 to 8 mph.
Tuesday
Sunny, with a high near 82. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. Southwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 82.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lake Berryessa CA
 38.58°N 122.33°W (Elev. 1138 ft)
Last Update:
2:42 pm PDT Jul 13, 2025
Forecast Valid:
9pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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