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

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

59°F

15°C

Humidity 82%
Wind Speed SSW 8 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Oct 01:00 AM PDT
Extended Forecast for

4 Miles SE Yountville CA

Coastal Flood Advisory October 9, 01:17am until October 14, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 9, 01:17am until October 14, 04:00pm

    NOW until 4:00pm Wed

    Coastal Flood Advisory

  • Overnight

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 51. South southeast wind 6 to 10 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 67 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 46. South southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 46 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Columbus Day

    Columbus Day: A slight chance of rain after 11am. Mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 51. South southeast wind 6 to 10 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 67. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 46. South southwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 65.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 46.
Columbus Day
A slight chance of rain after 11am. Mostly sunny, with a high near 66.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 46.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 70.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 46.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 74.
Wednesday Night
Clear, with a low around 51.
Thursday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Yountville CA
 38.38°N 122.31°W (Elev. 161 ft)
Last Update:
11:27 pm PDT Oct 8, 2026
Forecast Valid:
1am PDT Oct 9, 2026-6pm PDT Oct 15, 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