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

58°F

14°C

Humidity 90%
Wind Speed SSW 9 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Nov 11:54 PM PST
Extended Forecast for

3 Miles S Napa CA

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 54. South wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 60. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then rain likely and possibly a thunderstorm after 4am. Low around 50. South southeast wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Showers

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 57. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 44. North wind 3 to 6 mph.

    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 before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 54. South wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 60. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then rain likely and possibly a thunderstorm after 4am. Low around 50. South southeast wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 57. South wind 9 to 13 mph, with gusts as high as 21 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 4am. Otherwise, partly cloudy, with a low around 44. North wind 3 to 6 mph.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Napa CA
 38.25°N 122.27°W (Elev. 59 ft)
Last Update:
8:03 pm PST Nov 15, 2025
Forecast Valid:
12am PST Nov 16, 2025-6pm PST Nov 22, 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