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Port Chicago, California Weather Forecast
Port Chicago, California Weather
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Weather Forecast for Port Chicago, California : Contra Costa County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 38.0460311 Longitude: -122.020796 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 80% 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: 59°F High: 58°F High: 55°F High: 58°F High: 55°F High: 51°F High: 52°F
Low: 51°F Low: 52°F Low: 54°F Low: 54°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
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
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
Cloudy on Overnight Overnight... Cloudy, with a low around 47. Southwest wind around 5 mph.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 59. South southwest wind around 5 mph becoming west in the afternoon.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 51. South southwest wind around 7 mph.

80% chance of rain Friday Friday... Rain, mainly after 10am. High near 58. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Low around 52. South southwest wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

80% chance of rain Saturday Saturday... Rain, mainly after 10am. High near 55. Chance of precipitation is 80%. 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 54.

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 51.

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 52.

Current Radar Image


Sun Almanac for Port Chicago, California
Sunrise: 07:19 AM
Sunset: 4:51 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:25 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.