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Santa Rosa, California Weather Forecast
Santa Rosa, California Weather
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Weather Forecast for Santa Rosa, California : Sonoma County
Issued: 12:26 am PST Dec 18, 2025 Latitude: 38.4404675 Longitude: -122.7144314 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight 30% chance of rain on Thursday 90% chance of rain on Friday 80% chance of rain on Saturday Thunderstorms on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 44°F High: 57°F High: 56°F High: 54°F High: 56°F High: 54°F High: 51°F High: 53°F
Low: 50°F Low: 50°F Low: 50°F Low: 48°F Low: 44°F Low: 46°F  
Fog Rain Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
SANTA ROSA - (KSTS)
43°
Mostly Cloudy
Fog
as of 1:24 AM PST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 1/4 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
3 MPH
240° Southwest
Current Conditions at
NAPA - (KAPC)
46°
Cloudy
Mist
as of 12:54 AM PST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 5 Miles
Pressure: 30.16 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
VACAVILLE - (KVCB)
54°
Cloudy
as of 1:16 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
TRAVIS AFB - (KSUU)
54°
Cloudy
Mist
as of 12:55 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 4 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
3 MPH
280° West
Cloud Level(s): Solid Overcast at 600ft
Fog on Overnight Overnight... Widespread dense fog. Otherwise, cloudy, with a low around 44. Calm wind.
30% chance of rain Thursday Thursday... A 30 percent chance of rain after 4pm. Widespread fog, mainly before 11am. Otherwise, cloudy, with a high near 57. Calm wind.
60% chance of rain Thursday Night Thursday Night... Rain likely, mainly after 10pm. Widespread fog, mainly between 9pm and 4am. Otherwise, cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Friday Friday... Rain. Areas of fog before 10am. High near 56. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
80% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Widespread fog, mainly after 4am. Low around 50. Light west southwest wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Saturday Saturday... Rain, mainly after 10am. Widespread fog, mainly before 10am. High near 54. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of thunderstorms Saturday Night Saturday Night... Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Patchy fog after 7pm. Low around 50. Chance of precipitation is 90%.
Thunderstorms on Sunday Sunday... Rain before 10am, then showers and possibly a thunderstorm after 10am. Cloudy, with a high near 56.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 48.
70% chance of rain Monday Monday... Rain likely. Cloudy, with a high near 54.
70% chance of rain Monday Night Monday Night... Rain likely. Patchy fog. Otherwise, cloudy, with a low around 44.
70% chance of rain Tuesday Tuesday... Rain likely. Areas of fog. Otherwise, mostly cloudy, with a high near 51.
Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 46.
70% chance of rain Wednesday Wednesday... Rain likely. Cloudy, with a high near 53.
Current Radar Image


Sun Almanac for Santa Rosa, California
Sunrise: 07:23 AM
Sunset: 4:52 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:28 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.