Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

41°F

5°C

Humidity 93%
Wind Speed N 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 01 Dec 08:20 PM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory December 2, 06:00am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  • Tonight

    Tonight: Increasing clouds, with a low around 41. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 41 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 10pm and 1am.  Otherwise, partly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North wind around 14 mph, with gusts as high as 24 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Increasing clouds, with a low around 41. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 42. Calm wind becoming north around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 61. North wind around 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 39. North northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 41.
Friday
Mostly sunny, with a high near 61.
Friday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 42.
Saturday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 61.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 60.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.31°N 122.29°W (Elev. 30 ft)
12:26 pm PST Dec 1, 2025
8pm PST Dec 1, 2025-6pm PST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database