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Chianti, California Weather Forecast
Chianti, California Weather
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Weather Forecast for Chianti, California : Sonoma County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 38.7371314 Longitude: -122.9422202 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
60% chance of rain on Today 80% chance of rain on Tonight 100% chance of rain on Friday 70% chance of rain on Saturday 100% chance of rain on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 54°F Low: 49°F High: 54°F High: 52°F High: 54°F High: 52°F High: 50°F High: 51°F
Low: 45°F Low: 48°F Low: 46°F Low: 42°F Low: 42°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
SANTA ROSA - (KSTS)
45°
Clear
Mist
as of 3:53 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 3/4 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
3 MPH
280° West
Current Conditions at
UKIAH - (KUKI)
46°
Clear
Fog
as of 3:56 AM PST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 1/4 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
NAPA - (KAPC)
48°
Cloudy
Mist
as of 4:06 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 6 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
VACAVILLE - (KVCB)
54°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1000ft
60% chance of rain Today Today... Rain likely, mainly after 4pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 54. Calm wind. Chance of precipitation is 60%.

80% chance of rain Tonight Tonight... Rain. Patchy fog before 10pm. Low around 49. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

100% chance of rain Friday Friday... Rain. High near 54. South wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

70% chance of rain Friday Night Friday Night... Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 45. Light west wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

100% chance of rain Saturday Night Saturday Night... Rain. Low around 48. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

100% chance of rain Sunday Sunday... Rain. High near 54. Chance of precipitation is 100%.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 46.

70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 52.

70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 42.

70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 50.

70% chance of rain Tuesday Night Tuesday Night... Rain likely. Cloudy, with a low around 42.

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 51.

Current Radar Image


Sun Almanac for Chianti, California
Sunrise: 07:25 AM
Sunset: 4:52 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:49 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.