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. 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 >

Hazardous Weather Conditions

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 E 11 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill36°F (2°C)
Last update 05 Dec 09:54 PM PST
Extended Forecast for

9 Miles ENE Yountville CA

Cold Weather Advisory December 5, 10:08pm until December 6, 08:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory December 5, 10:08pm until December 6, 08:00am

    NOW until 8:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 62. Light west northwest wind.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Light west northwest wind.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Light and variable wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 62. Light west northwest wind.
Saturday Night
Mostly clear, with a low around 44. Light west northwest wind.
Sunday
Mostly sunny, with a high near 61. Calm wind.
Sunday Night
Mostly clear, with a low around 44. Calm wind.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 64.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Yountville CA
 38.44°N 122.21°W (Elev. 797 ft)
Last Update:
8:05 pm PST Dec 5, 2025
Forecast Valid:
10pm PST Dec 5, 2025-6pm PST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation