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Llano, California Weather Forecast
Llano, California Weather
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Weather Forecast for Llano, California : Sonoma County
Issued: 1:44 am PST Dec 19, 2025 Latitude: 38.4118576 Longitude: -122.7944347 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
60% chance of rain on Overnight 100% chance of rain on Friday 80% chance of rain on Saturday 100% chance of rain on Sunday Rain on Monday Rain on Tuesday 70% chance of rain on Wednesday Rain on Christmas Day
Low: 50°F High: 57°F High: 54°F High: 56°F High: 55°F High: 52°F High: 52°F High: 52°F
Low: 50°F Low: 51°F Low: 50°F Low: 47°F Low: 42°F Low: 45°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
SANTA ROSA - (KSTS)
54°
Clear
Fog
as of 3:53 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 1/2 Miles
Pressure: 30.07 in.
Flight Rule: IFR
Wind Data
3 MPH
130° Southeast
Current Conditions at
NAPA - (KAPC)
54°
Cloudy
Mist
as of 3:54 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 4 Miles
Pressure: 30.09 in.
Flight Rule: IFR
Wind Data
3 MPH
350° North
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
VACAVILLE - (KVCB)
52°
Cloudy
Mist
as of 4:21 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 30.09 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
TRAVIS AFB - (KSUU)
54°
Cloudy
Mist
as of 4:10 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 5 Miles
Pressure: 30.07 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1200ft
60% chance of rain Overnight Overnight... Rain likely. Patchy fog before 5am. Otherwise, cloudy, with a low around 50. Calm wind. Chance of precipitation is 60%.

100% chance of rain Friday Friday... Rain. High near 57. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

80% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Patchy fog after 11pm. Low around 50. Light and variable 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. Areas of dense fog before 1pm. High near 54. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain Saturday Night Saturday Night... Rain. Low around 51. South wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

100% chance of rain Sunday Sunday... Rain. High near 56. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

90% chance of rain Sunday Night Sunday Night... Rain. Low around 50. Chance of precipitation is 90%.

Rain on Monday Monday... Rain. Cloudy, with a high near 55.

Rain on Monday Night Monday Night... Rain. Cloudy, with a low around 47.

Rain on Tuesday Tuesday... Rain. Cloudy, with a high near 52.

Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 42.

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

Rain on Wednesday Night Wednesday Night... Rain. Cloudy, with a low around 45.

Rain on Christmas Day Christmas Day... Rain. Cloudy, with a high near 52.

Current Radar Image


Sun Almanac for Llano, California
Sunrise: 07:24 AM
Sunset: 4:53 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:21 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.