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

64°F

18°C

Humidity 72%
Wind Speed S 6 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Oct 12:00 PM PDT
Extended Forecast for

Napa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Southwest wind 7 to 9 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 46. South southwest wind 5 to 8 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, then becoming cloudy during the afternoon, with a high near 65. West southwest wind 5 to 9 mph.

    High: 65 °F

    Becoming
    Cloudy

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 44 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 66.

    High: 66 °F

    Areas Fog
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Southwest wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 46. South southwest wind 5 to 8 mph.
Monday
Sunny, then becoming cloudy during the afternoon, with a high near 65. West southwest wind 5 to 9 mph.
Monday Night
Patchy fog after midnight. Otherwise, cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48.
Thursday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 66.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46.
Friday
Areas of fog. Otherwise, mostly sunny, with a high near 68.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.27°N 122.28°W (Elev. 3 ft)
Last Update:
11:26 am PDT Oct 18, 2026
Forecast Valid:
12pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation