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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

53°F

12°C

Humidity 99%
Wind Speed S 0 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 28 Jan 09:53 AM PST
Extended Forecast for

Graton CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog. Otherwise, increasing clouds, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Friday

    Friday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: A chance of rain, mainly before 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain
    and Areas Fog

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 60. Light and variable wind.
Tonight
Patchy fog. Otherwise, increasing clouds, with a low around 40. Calm wind.
Thursday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind.
Thursday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Friday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 65. Calm wind.
Friday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.
Sunday
A chance of rain, mainly before 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 60.
Sunday Night
A slight chance of rain before 10pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 42.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
Last Update:
4:54 am PST Jan 28, 2026
Forecast Valid:
10am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

Radar & Satellite Image

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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