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.

Clear

55°F

13°C

Humidity 93%
Wind Speed ENE 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Nov 06:30 PM PST
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 52. Calm wind becoming south southwest around 5 mph in the evening. 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 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter 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. South wind around 6 mph. 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 56. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Patchy fog after 2am. 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

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 48. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 52. Calm wind becoming south southwest around 5 mph in the evening. 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 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter 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. South wind around 6 mph. 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 56. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Patchy fog after 2am. 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 2am. Otherwise, partly cloudy, with a low around 43.
Wednesday
A slight chance of rain after 4pm. Areas of fog before 10am. Otherwise, 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 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
12:26 pm PST Nov 14, 2025
Forecast Valid:
6pm PST Nov 14, 2025-6pm PST Nov 21, 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