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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

52°F

11°C

Humidity 81%
Wind Speed SSE 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 Mar 12:35 AM PDT
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Overnight

    Overnight: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Calm wind.
Friday
Mostly sunny, with a high near 79. Light and variable wind.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Calm wind.
Saturday
Sunny, with a high near 80. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 90.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 89.
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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:
12:18 am PDT Mar 13, 2026
Forecast Valid:
12am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation