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Valona, California Weather Forecast
Valona, California Weather
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Click for Dense Fog Advisory for Valona, California
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Weather Forecast for Valona, California : Contra Costa County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 38.0521431 Longitude: -122.2244128 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Overnight Mostly Cloudy on Thursday 80% chance of rain on Friday 70% chance of rain on Saturday Rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 47°F High: 60°F High: 58°F High: 55°F High: 58°F High: 55°F High: 52°F High: 53°F
Low: 51°F Low: 52°F Low: 54°F Low: 53°F Low: 48°F Low: 48°F  
Cloudy Mostly Cloudy Rain Rain Rain Rain Rain Rain
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Current Conditions at
CONCORD - (KCCR)
54°
Cloudy
Mist
as of 2:38 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
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
TRAVIS AFB - (KSUU)
54°
Mostly Cloudy
Fog
as of 1:55 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 1/4 Miles
Pressure: 30.13 in.
Flight Rule: IFR
Wind Data
Calm
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
Cloudy on Overnight Overnight... Cloudy, with a low around 47. Calm wind.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 60. Calm wind becoming west southwest around 5 mph in the afternoon.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 51. Southwest wind around 6 mph.
80% chance of rain Friday Friday... Rain, mainly after 10am. High near 58. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Low around 52. Southwest wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain Saturday Night Saturday Night... Rain. Low around 54. Chance of precipitation is 90%.
Rain on Sunday Sunday... Rain. Cloudy, with a high near 58.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 53.
Rain on Monday Monday... Rain. Cloudy, with a high near 55.
70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 48.
70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 52.
Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 48.
70% chance of rain Wednesday Wednesday... Rain likely. Cloudy, with a high near 53.
Current Radar Image


Sun Almanac for Valona, California
Sunrise: 07:20 AM
Sunset: 4:51 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:26 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.