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

Atmospheric River Continues to Impact the Northwest U.S.; Gusty to High Winds in the Northeast U.S.

A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >

Hazardous Weather Conditions

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

61°F

16°C

Humidity 83%
Wind Speed ESE 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 04 Nov 07:11 PM PST
Extended Forecast for

Graton CA

Coastal Flood Advisory November 4, 07:22pm until November 8, 02:00pm
Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Wind Advisory
  •  
    Coastal Flood Advisory November 4, 07:22pm until November 8, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Advisory

  • Tonight

    Low: 55 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 65. Breezy, with a south southwest wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm. Areas of fog between 1am and 4am. Otherwise, mostly cloudy, with a low around 52. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely
    then Chance
    Rain and
    Areas Fog

  • Thursday

    Thursday: Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 52. Calm wind becoming south around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain before 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain and
    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog. Otherwise, partly cloudy, with a low around 50.

    Low: 50 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Rain after 10pm. Low around 55. Breezy, with a south southeast wind 10 to 15 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 65. Breezy, with a south southwest wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Areas of fog between 1am and 4am. Otherwise, mostly cloudy, with a low around 52. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 52. Calm wind becoming south around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 20 percent chance of rain before 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 70.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 50.
Saturday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 51.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 75.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Veterans Day
Areas of fog. Otherwise, partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.42°N 122.87°W (Elev. 118 ft)
Last Update:
2:27 pm PST Nov 4, 2025
Forecast Valid:
7pm PST Nov 4, 2025-6pm PST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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