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

54°F

12°C

Humidity 54%
Wind Speed E 11 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 09 Jan 03:54 PM PST
Extended Forecast for

7 Miles SSE Lake Berryessa CA

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind becoming east around 6 mph after midnight.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, partly sunny, with a high near 53. East northeast wind 5 to 8 mph.

    High: 53 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Calm wind becoming north around 5 mph in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Northeast wind 3 to 5 mph.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. North northwest wind 3 to 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind becoming east around 6 mph after midnight.
Saturday
Areas of frost before 9am. Otherwise, partly sunny, with a high near 53. East northeast wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 37. Calm wind becoming north around 5 mph in the evening.
Sunday
Mostly sunny, with a high near 56. Northeast wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 38. North northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 46.
Friday
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:
1:09 pm PST Jan 9, 2026
Forecast Valid:
4pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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