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Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

52°F

11°C

Humidity 76%
Wind Speed N 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 06 Nov 08:35 PM PST
Extended Forecast for

3 Miles ESE Saint Helena CA

Coastal Flood Advisory November 6, 08:53pm until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 6, 08:53pm until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Tonight

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

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

    Low: 44 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 73. Calm wind.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 44. Calm wind.
Sunday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. Calm wind.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Monday
Mostly sunny, with a high near 73.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 45.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 45.
Veterans Day
Patchy fog before 8am. Otherwise, sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 68.
Thursday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Friday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Saint Helena CA
 38.5°N 122.4°W (Elev. 476 ft)
Last Update:
8:41 pm PST Nov 6, 2026
Forecast Valid:
8pm PST Nov 6, 2026-6pm PST Nov 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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