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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

57°F

14°C

Humidity 99%
Wind Speed W 1 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 14 Nov 10:37 AM PST
Extended Forecast for

Graton CA

  • Today

    Today: A 20 percent chance of rain. Mostly sunny, with a high near 64. Light south southeast wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Patchy fog. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 4pm. Patchy fog before 7am. High near 61. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
A 20 percent chance of rain. Mostly sunny, with a high near 64. Light south southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog. Otherwise, partly cloudy, with a low around 46. Calm wind.
Saturday
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 68. Calm wind.
Saturday Night
A 40 percent chance of rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 50. Calm wind.
Sunday
Rain likely, then showers and possibly a thunderstorm after 4pm. Patchy fog before 7am. High near 61. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 60.
Monday Night
A slight chance of rain before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 42.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 41.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 63.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
Last Update:
2:03 am PST Nov 14, 2025
Forecast Valid:
10am PST Nov 14, 2025-6pm PST Nov 20, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation