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

Napa, Napa County Airport (KAPC)

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

Clear

79°F

26°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Oct 06:15 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Light and variable wind becoming east around 6 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, clear, with a low around 48. Southwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 75.

    High: 75 °F

    Areas Fog
    then Sunny

  • Sunday Night

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

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
Clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 88. Light and variable wind becoming east around 6 mph.
Friday Night
Mostly clear, with a low around 54. Calm wind.
Saturday
Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, clear, with a low around 48. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 44.
Monday
Partly sunny, with a high near 64.
Monday Night
A slight chance of rain after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47.
Tuesday
A chance of rain, mainly after 11am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 64.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 46.
Wednesday
A slight chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 67.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 47.
Thursday
Areas of fog. Otherwise, mostly 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 CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:56 pm PDT Oct 15, 2026
Forecast Valid:
6pm PDT Oct 15, 2026-6pm PDT Oct 22, 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