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

59°F

15°C

Humidity 66%
Wind Speed E 10 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 31 Jan 11:54 AM PST
Extended Forecast for

2 Miles NW Napa Co. Airport CA

Coastal Flood Advisory January 31, 12:14pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 12:14pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of fog after 10pm.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 63. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 63 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 10pm and 1am.  Otherwise, partly cloudy, with a low around 42. South wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

This Afternoon
Partly sunny, with a high near 64. East wind around 6 mph.
Tonight
Areas of 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 63. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Sunday Night
Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 42. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 41.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 65.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 42.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
10:44 am PST Jan 31, 2026
12pm 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