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.

Fog

55°F

13°C

Humidity 100%
Wind Speed NNW 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 0.24 mi
Last update 14 Nov 08:35 AM PST
Extended Forecast for

Napa CA

  • Today

    Today: A 30 percent chance of rain after 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon. 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 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 66. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 52. South southwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. South southwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °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 57.

    High: 57 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 10am. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 48. Calm wind.
Saturday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 66. Calm wind becoming west around 6 mph in the afternoon. 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 52. South southwest wind 3 to 6 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 59. South southwest wind 6 to 9 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 57.
Monday Night
A slight chance of rain before 10pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 43.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.27°N 122.28°W (Elev. 3 ft)
Last Update:
2:03 am PST Nov 14, 2025
Forecast Valid:
8am PST Nov 14, 2025-6pm PST Nov 20, 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