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

43°F

6°C

Humidity 86%
Wind Speed NE 8 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 01 Dec 06:00 AM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory December 2, 06:00am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 51. Calm wind becoming east 5 to 9 mph in the morning.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Calm wind.

    Low: 40 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 60. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and 10pm. Otherwise, partly cloudy, with a low around 41. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 18 mph.

    Low: 41 °F

    Patchy Fog
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. North wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 51. Calm wind becoming east 5 to 9 mph in the morning.
Tonight
Increasing clouds, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 60. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Patchy fog between 9pm and 10pm. Otherwise, partly cloudy, with a low around 41. Calm wind becoming north 5 to 7 mph after midnight. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 61. North wind 13 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 60.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 42.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 60.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.31°W (Elev. 190 ft)
Last Update:
1:11 am PST Dec 1, 2025
Forecast Valid:
6am PST Dec 1, 2025-6pm PST Dec 7, 2025
 
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