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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fog

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Last update 06 Jan 10:35 PM PST
Extended Forecast for

Napa Co. Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 47. Light west wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 56. West northwest wind 6 to 14 mph.

    High: 56 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West northwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. North northwest wind 9 to 13 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. North wind around 9 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy frost after 1am. Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 53.

    High: 53 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 47. Light west wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 56. West northwest wind 6 to 14 mph.
Wednesday Night
Mostly clear, with a low around 37. West northwest wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 53. North northwest wind 9 to 13 mph.
Thursday Night
Mostly clear, with a low around 34. North wind around 9 mph.
Friday
Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 52.
Friday Night
Patchy frost after 1am. Otherwise, partly cloudy, with a low around 34.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
Last Update:
12:26 pm PST Jan 6, 2026
Forecast Valid:
10pm PST Jan 6, 2026-6pm PST Jan 13, 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