National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Northeast and Northern Plains; Critical Fire Weather in the West

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota today. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula today. Critical fire weather conditions will persist today over parts of the interior Northwest and Great Basin. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

70°F

21°C

Humidity 56%
Wind Speed S 20 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 03 Jul 03:20 PM PDT
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 83. West southwest wind 8 to 16 mph, with gusts as high as 21 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52. West wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87. West wind around 6 mph becoming calm.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55. West wind 8 to 10 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West wind 13 to 20 mph, with gusts as high as 29 mph.
Independence Day
Sunny, with a high near 83. West southwest wind 8 to 16 mph, with gusts as high as 21 mph.
Friday Night
Clear, with a low around 52. West wind 7 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 87. West wind around 6 mph becoming calm.
Saturday Night
Clear, with a low around 55. West wind 8 to 10 mph.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny and hot, with a high near 99.
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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:
1:32 pm PDT Jul 3, 2025
Forecast Valid:
3pm PDT Jul 3, 2025-6pm PDT Jul 10, 2025
 
Forecast Discussion
 
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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