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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

59°F

15°C

Humidity 96%
Wind Speed ESE 0 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 13 Nov 03:24 AM PST
Extended Forecast for

Graton CA

Coastal Flood Advisory November 13, 03:36am until November 13, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory November 13, 03:36am until November 13, 04:00pm

    NOW until 4:00pm Fri

    Coastal Flood Advisory

  • Overnight

    Low: 51 °F

    Chance Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 59. South wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Showers then
    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before midnight, then a chance of rain after 1am. Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before noon. Otherwise, mostly cloudy, with a high near 63. Light and variable wind.

    High: 63 °F

    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Rain after 4am. Patchy fog after 11pm. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Patchy Fog
    then Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain. High near 60. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 60 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a steady temperature around 51. South wind around 7 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 59. South wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A chance of rain before midnight, then a chance of rain after 1am. Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 63. Light and variable wind.
Saturday Night
Rain after 4am. Patchy fog after 11pm. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 60. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A chance of rain after 4pm. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
Rain. Mostly cloudy, with a low around 43.
Wednesday
Rain. Mostly cloudy, with a high near 59.
Wednesday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Thursday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
Last Update:
1:16 am PST Nov 13, 2026
Forecast Valid:
3am PST Nov 13, 2026-6pm PST Nov 19, 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