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Preston, California Weather Forecast
Preston, California Weather
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Weather Forecast for Preston, California : Sonoma County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 38.835183 Longitude: -123.0175004 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight 60% 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: 46°F High: 57°F High: 56°F High: 55°F High: 57°F High: 55°F High: 54°F High: 54°F
Low: 53°F Low: 47°F Low: 51°F Low: 48°F Low: 44°F Low: 45°F  
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
Fog on Overnight Overnight... Areas of fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.

60% chance of rain Thursday Thursday... Rain likely, mainly after 4pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 57. Light and variable wind. Chance of precipitation is 60%.

80% chance of rain Thursday Night Thursday Night... Rain. Patchy fog before midnight. Steady temperature around 53. 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 56. South wind around 8 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. Patchy fog after 4am. Otherwise, cloudy, with a low around 47. 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. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. 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 51. Chance of precipitation is 100%.

Rain on Sunday Sunday... Rain. Cloudy, with a high near 57.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 48.

70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 55.

70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 44.

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 45.

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 54.

Current Radar Image


Sun Almanac for Preston, California
Sunrise: 07:26 AM
Sunset: 4:52 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:28 PM
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