Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

42°F

6°C

Humidity 95%
Wind Speed N 6 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 29 Jan 07:54 AM PST
Extended Forecast for

Napa CA

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

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 64 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 62. Light east wind.

    High: 62 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 64. Light east wind.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Friday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 62. Light east wind.
Friday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 64. Light east wind.
Saturday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 44.
Sunday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Monday
Areas of fog before 10am. Otherwise, sunny, with a high near 64.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 41.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 42.
Wednesday
Patchy fog. Otherwise, sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
12:26 am PST Jan 29, 2026
8am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database