Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

68°F

20°C

Humidity 75%
Wind Speed E 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 29 Sep 02:12 PM PDT
Extended Forecast for

Graton CA

  • This Afternoon

    This Afternoon: A 50 percent chance of rain.  Mostly cloudy, with a high near 72. South southwest wind around 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 54. Light southwest wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am.  Areas of fog before 10am.  Otherwise, partly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Chance Rain
    and Areas Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 56. Calm wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 72. South southwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 54. Light southwest wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 30 percent chance of rain, mainly after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 80.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.42°N 122.87°W (Elev. 118 ft)
1:26 pm PDT Sep 29, 2025
2pm PDT Sep 29, 2025-6pm PDT Oct 5, 2025
 
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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