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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

53°F

12°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 14 Nov 05:54 AM PST
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: A 30 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 62. Calm wind becoming east southeast around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Light north northeast wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west southwest 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 51. South southwest wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 60. South southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 62. Calm wind becoming east southeast around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 46. Light north northeast wind.
Saturday
A 20 percent chance of rain after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west southwest 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 51. South southwest wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, then showers and possibly a thunderstorm after 4pm. High near 60. South southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 58.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
2:03 am PST Nov 14, 2025
Forecast Valid:
6am PST Nov 14, 2025-6pm PST Nov 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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