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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

72°F

22°C

Humidity 43%
Wind Speed SW 9 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 07 Nov 02:05 PM PST
Extended Forecast for

6 Miles E Saint Helena CA

Coastal Flood Advisory November 7, 02:24pm until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 7, 02:24pm until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • This Afternoon

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Partly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Light south wind.
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 45. Calm wind.
Sunday
Partly sunny, with a high near 74. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 47. Calm wind.
Monday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 47.
Veterans Day
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Friday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Saint Helena CA
 38.5°N 122.37°W (Elev. 597 ft)
Last Update:
12:26 pm PST Nov 7, 2026
Forecast Valid:
2pm PST Nov 7, 2026-6pm PST Nov 13, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation