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

Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

61°F

16°C

Humidity 67%
Wind Speed W 13 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 03 Nov 05:15 PM PST
Extended Forecast for

Napa Co. Airport CA

Coastal Flood Advisory November 4, 08:00am until November 8, 02:00pm
Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Wind Advisory

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, increasing clouds, with a low around 50. West wind 5 to 9 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South southwest wind 6 to 16 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Steady temperature around 59. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance Rain
    then Showers

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 63. Breezy, with a south southwest wind 20 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 52. Southwest wind 8 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 67.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 49.

    Low: 49 °F

    Areas Fog

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 50. West wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 65. South southwest wind 6 to 16 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of rain between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Steady temperature around 59. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 63. Breezy, with a south southwest wind 20 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 52. Southwest wind 8 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 68.
Friday Night
Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 49.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A slight chance of rain. Partly sunny, with a high near 68.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 51.
Monday
A slight chance of rain. Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
1:45 pm PST Nov 3, 2025
Forecast Valid:
5pm PST Nov 3, 2025-6pm PST Nov 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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