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

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

66°F

19°C

Humidity 32%
Wind Speed W 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 03 Dec 03:00 PM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory December 3, 03:15pm until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 3, 03:15pm until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. Northeast wind around 6 mph becoming light and variable.

    High: 60 °F

    Sunny

  • Thursday Night

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

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Areas of fog after 1am. Otherwise, mostly clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Clear
    then Areas
    Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before noon. Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Light and variable wind.
Thursday
Sunny, with a high near 60. Northeast wind around 6 mph becoming light and variable.
Thursday Night
Mostly clear, with a low around 41. Calm wind.
Friday
Sunny, with a high near 63. Light and variable wind.
Friday Night
Areas of fog after 1am. Otherwise, mostly clear, with a low around 43. Light and variable wind.
Saturday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 63.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog before noon. Otherwise, partly sunny, with a high near 62.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 63.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 64.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
Patchy fog. Otherwise, partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.27°N 122.28°W (Elev. 3 ft)
Last Update:
12:26 pm PST Dec 3, 2025
Forecast Valid:
3pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation