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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Rain

59°F

15°C

Humidity 89%
Wind Speed SW 8 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 13 Nov 01:54 PM PST
Extended Forecast for

Napa CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. Steady temperature around 59. South wind 15 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 52. South southwest wind 5 to 13 mph becoming southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of rain, mainly before 4pm. Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 63. Calm wind becoming east northeast around 5 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 65. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Slight Chance
    Rain and
    Areas Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A 40 percent chance of rain, mainly after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly before 4pm. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. Steady temperature around 59. South wind 15 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 52. South southwest wind 5 to 13 mph becoming southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly before 4pm. Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 63. Calm wind becoming east northeast around 5 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain before 10pm. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 47. Calm wind.
Saturday
A 20 percent chance of rain after 10am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 65. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain, mainly before 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain, mainly after 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 58.
Monday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 58.
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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 13, 2025
Forecast Valid:
2pm PST Nov 13, 2025-6pm PST Nov 19, 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