Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

57°F

14°C

Humidity 58%
Wind Speed NE 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 09:35 AM PDT
Extended Forecast for

Graton CA

  • Today

    Today: Mostly sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 46. South southwest wind around 6 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers.  High near 62. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Monday Night

    Monday Night: Showers.  Patchy fog after 11pm. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  Patchy fog before 8am. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers and
    Areas Fog

Detailed Forecast

Today
Mostly sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Sunday
Areas of fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
A 30 percent chance of showers after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46. South southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers. High near 62. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. Patchy fog after 11pm. Low around 49. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. Patchy fog before 8am. High near 62. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 44.
Wednesday
A chance of showers. Areas of fog before 9am. Otherwise, partly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 69.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Friday
Patchy fog. Otherwise, sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Graton CA
 38.45°N 122.88°W (Elev. 95 ft)
8:31 am PDT Apr 18, 2026
9am PDT Apr 18, 2026-6pm PDT Apr 24, 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