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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

62°F

17°C

Humidity 84%
Wind Speed E 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 28 Aug 02:09 PM PDT
Extended Forecast for

Graton CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Sunny, with a steady temperature around 78. Light southwest wind.

    High: 78 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Areas of fog after 2am. Otherwise, mostly clear, with a low around 51. Light and variable wind.

    Low: 51 °F

    Clear then
    Areas Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 50. West wind 3 to 8 mph. Winds could gust as high as 21 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Areas of fog between 8am and 9am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Patchy Fog

  • Monday

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

    High: 75 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Sunny, with a steady temperature around 78. Light southwest wind.
Tonight
Areas of fog after 2am. Otherwise, mostly clear, with a low around 51. Light and variable wind.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 50. West wind 3 to 8 mph. Winds could gust as high as 21 mph.
Sunday
Areas of fog between 8am and 9am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 50.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 74.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 51.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 76.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Thursday
A slight chance of showers. Patchy fog. Otherwise, mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.42°N 122.87°W (Elev. 118 ft)
Last Update:
1:26 pm PDT Aug 28, 2026
Forecast Valid:
2pm PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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