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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

52°F

11°C

Humidity 87%
Wind Speed NNE 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Nov 03:00 AM PST
Extended Forecast for

Yountville CA

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a low around 44. Northwest wind around 7 mph.

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northwest wind 5 to 7 mph becoming calm.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 45. Southeast wind around 6 mph.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 56. Light and variable wind.

    High: 56 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Low around 47. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 44. Northwest wind around 7 mph.
Tuesday
Sunny, with a high near 60. Northwest wind 5 to 7 mph becoming calm.
Tuesday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 45. Southeast wind around 6 mph.
Wednesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 56. Light and variable wind.
Wednesday Night
Rain, mainly after 10pm. Low around 47. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 42.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 64.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Sunday
Areas of fog. Otherwise, mostly sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.39°N 122.37°W (Elev. 558 ft)
Last Update:
1:59 am PST Nov 18, 2025
Forecast Valid:
3am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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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