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

50°F

10°C

Humidity 76%
Wind Speed E 10 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 31 Jan 09:20 AM PST
Extended Forecast for

3 Miles S Napa CA

Coastal Flood Advisory January 31, 09:37am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 09:37am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 64. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 43. Light southeast wind.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

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

    High: 66 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Today
Partly sunny, with a high near 64. Calm wind becoming east around 6 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 43. Light southeast wind.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 43.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Napa CA
 38.25°N 122.27°W (Elev. 59 ft)
8:10 am PST Jan 31, 2026
9am 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