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

72°F

22°C

Humidity 56%
Wind Speed SSW 12 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Oct 03:05 PM PDT
Extended Forecast for

Yountville CA

  • Tonight

    Tonight: Patchy fog between 9pm and 11pm. Otherwise, increasing clouds, with a low around 44. Light south wind.

    Low: 44 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 66. West southwest wind 3 to 7 mph.

    High: 66 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind.

    High: 67 °F

    Slight Chance
    Rain and
    Areas Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 68. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A slight chance of rain after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog between 9pm and 11pm. Otherwise, increasing clouds, with a low around 44. Light south wind.
Monday
Increasing clouds, with a high near 66. West southwest wind 3 to 7 mph.
Monday Night
Patchy fog after 11pm. Otherwise, cloudy, with a low around 43. Light and variable wind.
Tuesday
A 20 percent chance of rain before 11am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 68. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47.
Thursday
A slight chance of rain after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 67.
Thursday Night
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 70.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 69.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yountville CA
 38.39°N 122.37°W (Elev. 558 ft)
Last Update:
1:47 pm PDT Oct 18, 2026
Forecast Valid:
3pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
Forecast Discussion
 
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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