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Boonville, California Weather Forecast
Boonville, California Weather
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Weather Forecast for Boonville, California : Mendocino County
Issued: 1:10 am PST Dec 18, 2025 Latitude: 39.0090663 Longitude: -123.3661194 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Patchy Fog on Overnight 40% chance of rain on Thursday 100% chance of rain on Friday 70% chance of rain on Saturday Rain on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 42°F High: 59°F High: 59°F High: 56°F High: 59°F High: 56°F High: 54°F High: 56°F
Low: 48°F Low: 43°F Low: 46°F Low: 45°F Low: 40°F Low: 41°F  
Patchy Fog Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
UKIAH - (KUKI)
45°
Clear
Fog
as of 2:11 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 1/2 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
SANTA ROSA - (KSTS)
41°
Mostly Clear
Fog
as of 1:53 AM PST
Rel. Humidity: 100%
Dew Point: 41°F
Visibility: 1/4 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
NAPA - (KAPC)
48°
Cloudy
as of 2:18 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 300ft, Solid Overcast at 1500ft
Current Conditions at
VACAVILLE - (KVCB)
54°
Cloudy
as of 2:29 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 900ft
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
40% chance of rain Thursday Thursday... A 40 percent chance of rain after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. Light south southeast wind.
90% chance of rain Thursday Night Thursday Night... Rain, mainly after 1am. Low around 48. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Friday Friday... Rain. High near 59. South southwest wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
70% chance of rain Friday Night Friday Night... Rain likely, mainly before 10pm. Cloudy, with a low around 43. Calm 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. Mostly cloudy, with a high near 56. 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 46. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Rain on Sunday Sunday... Rain. Cloudy, with a high near 59.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 45.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 56.
70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 40.
70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 54.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 41.
70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 56.
Current Radar Image


Sun Almanac for Boonville, California
Sunrise: 07:27 AM
Sunset: 4:53 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:51 AM
Astro Sunset: 6:29 PM
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