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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Mar 05:00 AM PDT
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming light and variable.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. North northwest wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. North wind around 6 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 49. West wind 5 to 8 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 55. North northwest wind 6 to 8 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 79. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 52.
Monday
A slight chance of rain. Partly sunny, with a high near 68.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Lake Berryessa CA
 38.48°N 122.22°W (Elev. 1798 ft)
Last Update:
1:56 am PDT Mar 25, 2026
Forecast Valid:
5am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
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