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.

Overcast

59°F

15°C

Humidity 87%
Wind Speed SSW 13 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Nov 06:00 PM PST
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Rain, mainly after 9pm. Low around 53. Calm wind becoming south around 6 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Sunday

    Sunday: Rain. High near 59. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 50. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 58. East southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Northeast wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain after 4pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly after 9pm. Low around 53. Calm wind becoming south around 6 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 59. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 50. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 58. East southeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. 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 1am. Otherwise, partly cloudy, with a low around 45. Northeast wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61.
Tuesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44.
Wednesday
A chance of rain after 4pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 60.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 56.
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.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 62.
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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 15, 2025
Forecast Valid:
6pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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