National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

69°F

21°C

Humidity 56%
Wind Speed SSE 0 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 10 Oct 11:54 AM PDT
Extended Forecast for

8 Miles SW Saint Helena CA

Coastal Flood Advisory October 10, 12:09pm until October 14, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 10, 12:09pm until October 14, 04:00pm

    NOW until 4:00pm Wed

    Coastal Flood Advisory

  • This Afternoon

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 73. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 72. Calm wind becoming northeast around 5 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West southwest wind 5 to 7 mph.
Tonight
Clear, with a low around 43. Calm wind.
Sunday
Sunny, with a high near 73. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. Light and variable wind.
Columbus Day
Sunny, with a high near 72. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 88.
Thursday Night
Clear, with a low around 54.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Saint Helena CA
 38.41°N 122.55°W (Elev. 492 ft)
Last Update:
11:27 am PDT Oct 10, 2026
Forecast Valid:
12pm PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation