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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

42°F

6°C

Humidity 95%
Wind Speed NE 9 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 41°F (5°C)
Visibility 1.75 mi
Wind Chill37°F (3°C)
Last update 05 Dec 07:55 AM PST
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 63. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. South southwest wind around 6 mph becoming light and variable.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, sunny, with a high near 63. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 63 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Calm wind becoming north northwest around 6 mph in the evening.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Northwest wind around 5 mph becoming light and variable.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Calm wind becoming north 5 to 8 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. South southwest wind around 6 mph becoming light and variable.
Saturday
Areas of fog before 9am. Otherwise, sunny, with a high near 63. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 45. Calm wind becoming north northwest around 6 mph in the evening.
Sunday
Mostly sunny, with a high near 62. Northwest wind around 5 mph becoming light and variable.
Sunday Night
Mostly clear, with a low around 44.
Monday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 66.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 47.
Thursday
Patchy fog. Otherwise, sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
Last Update:
1:40 am PST Dec 5, 2025
Forecast Valid:
8am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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Additional Resources

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Chance of Precipitation