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

Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity 67%
Wind Speed SSW 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 02 Mar 03:15 PM PST
Extended Forecast for

3 Miles SW Napa CA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 45. Light west wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Patchy Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. West southwest wind 3 to 5 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 45. Light west wind.
Tuesday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 46. West southwest wind 3 to 5 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. West wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 70.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Napa CA
 38.26°N 122.34°W (Elev. 157 ft)
Last Update:
12:26 pm PST Mar 2, 2026
Forecast Valid:
3pm PST Mar 2, 2026-6pm PDT Mar 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation