Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

43°F

6°C

Humidity 93%
Wind Speed NNE 5 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 31 Jan 02:35 AM PST
Extended Forecast for

Napa Co. Airport CA

Coastal Flood Advisory January 31, 02:51am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 02:51am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Overnight

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. East wind 6 to 9 mph.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. South southwest wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Light northeast wind.
Saturday
Partly sunny, with a high near 62. East wind 6 to 9 mph.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Sunday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 40. South southwest wind 3 to 6 mph.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.2°N 122.29°W (Elev. 20 ft)
2:18 am PST Jan 31, 2026
2am PST Jan 31, 2026-6pm PST Feb 6, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database