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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

37°F

3°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 09 Jan 08:30 AM PST
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 50. North northeast wind around 6 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 1am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52. North northeast wind 3 to 6 mph.

    High: 52 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 55. Light north northeast wind.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 50. North northeast wind around 6 mph.
Tonight
Patchy frost after 1am. Otherwise, mostly clear, with a low around 35. Calm wind.
Saturday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 52. North northeast wind 3 to 6 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Sunday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 55. Light north northeast wind.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 63.
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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:
12:26 am PST Jan 9, 2026
Forecast Valid:
8am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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