Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

42°F

6°C

Humidity 99%
Wind Speed ESE 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 20 Jan 04:55 AM PST
Extended Forecast for

Graton CA

  • Today

    Today: Areas of dense fog before 11am.  Otherwise, mostly cloudy, with a high near 61. Calm wind.

    High: 61 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Areas of fog.  Otherwise, cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of dense fog before 11am.  Otherwise, cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Areas Dense
    Fog then
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of dense fog before 11am.  Otherwise, partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before noon.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 10pm and 11pm.  Otherwise, mostly clear, with a low around 41.

    Low: 41 °F

    Patchy Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 61. Calm wind.
Tonight
Areas of fog. Otherwise, cloudy, with a low around 44. Calm wind.
Wednesday
Areas of dense fog before 11am. Otherwise, cloudy, with a high near 60. Calm wind.
Wednesday Night
Patchy fog. Otherwise, cloudy, with a low around 45. Calm wind.
Thursday
Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 62. Calm wind.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Friday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 62.
Friday Night
Patchy fog between 10pm and 11pm. Otherwise, mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 41.
Monday
Areas of fog. Otherwise, mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.43°N 122.84°W (Elev. 79 ft)
12:26 am PST Jan 20, 2026
5am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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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