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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

47°F

8°C

Humidity 96%
Wind Speed NW 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 Apr 04:54 AM PDT
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Rain likely and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 62. South southeast wind 6 to 11 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance Rain
    then Showers

  • Tonight

    Tonight: Rain. Low around 48. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 60. East southeast wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 45. West southwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 64. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Rain likely and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 62. South southeast wind 6 to 11 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain. Low around 48. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 60. East southeast wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 45. West southwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 64. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 44.
Friday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 66.
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:
2:11 am PDT Apr 20, 2026
Forecast Valid:
5am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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