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.

Overcast

44°F

7°C

Humidity 88%
Wind Speed E 9 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 01 Dec 02:21 AM PST
Extended Forecast for

3 Miles NNW Vallejo CA

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

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. East wind around 9 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 48. East wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 48 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 42. East northeast wind 3 to 6 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 42. Calm wind becoming northeast around 6 mph after midnight.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. East wind around 9 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 48. East wind 11 to 14 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 42. East northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 60. Light and variable wind.
Tuesday Night
Patchy fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 42. Calm wind becoming northeast around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 60.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vallejo CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
1:11 am PST Dec 1, 2025
Forecast Valid:
2am PST Dec 1, 2025-6pm PST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation