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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

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

NA

62°F

17°C

Humidity 91%
Wind Speed SSE 2 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 10 Apr 02:07 PM PDT
Extended Forecast for

Graton CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 64. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of rain after 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Rain likely, then showers and possibly a thunderstorm after 2pm. High near 60. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain Likely
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then rain between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 44. South wind 6 to 11 mph becoming light south southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Rain before 11am, then showers likely and possibly a thunderstorm after 11am. High near 60. South southwest wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 41. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of rain after 11am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain and
    Areas Fog

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 64. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of rain after 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain likely, then showers and possibly a thunderstorm after 2pm. High near 60. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then rain between 8pm and 11pm, then showers and possibly a thunderstorm after 11pm. Low around 44. South wind 6 to 11 mph becoming light south southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Rain before 11am, then showers likely and possibly a thunderstorm after 11am. High near 60. South southwest wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of rain before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 41. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain after 11am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 66.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 40.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.43°N 122.84°W (Elev. 79 ft)
Last Update:
1:26 pm PDT Apr 10, 2026
Forecast Valid:
2pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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Chance of Precipitation