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Bethel Island, California Weather Forecast
Bethel Island, California Weather
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Weather Forecast for Bethel Island, California : Contra Costa County
Issued: 12:26 am PST Dec 18, 2025 Latitude: 38.0149216 Longitude: -121.6405085 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Morning Fog on Overnight Morning Fog on Thursday 80% chance of rain on Friday 70% chance of rain on Saturday Thunderstorms on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 48°F High: 58°F High: 57°F High: 56°F High: 58°F High: 56°F High: 52°F High: 53°F
Low: 48°F Low: 53°F Low: 55°F Low: 54°F Low: 49°F Low: 50°F  
Morning Fog Morning Fog Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
CONCORD - (KCCR)
52°
Cloudy
Mist
as of 12:53 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
STOCKTON - (KSCK)
52°
Cloudy
Haze
as of 12:55 AM PST
Rel. Humidity: 11%
Visibility: 4 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
7 MPH
280° West
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
TRAVIS AFB - (KSUU)
54°
Cloudy
Mist
as of 12:55 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 4 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
3 MPH
280° West
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
VACAVILLE - (KVCB)
54°
Cloudy
as of 1:16 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
Morning Fog on Overnight Overnight... Patchy dense fog after 5am. Otherwise, cloudy, with a low around 48. Light northwest wind.

Morning Fog on Thursday Thursday... Patchy dense fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 58. Light southeast wind.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain after 4am. Areas of fog before 10pm. Otherwise, increasing clouds, with a low around 48. Light south wind.

80% chance of rain Friday Friday... Rain, mainly after 10am. High near 57. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

80% chance of rain Friday Night Friday Night... Rain. Low around 53. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Saturday Saturday... Rain likely. Cloudy, with a high near 56. 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 55. Chance of precipitation is 90%.

Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm. Cloudy, with a high near 58.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 54.

70% chance of rain Monday Monday... Rain likely. Cloudy, with a high near 56.

70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 49.

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 50.

70% chance of rain Wednesday Wednesday... Rain likely. Cloudy, with a high near 53.

Current Radar Image


Sun Almanac for Bethel Island, California
Sunrise: 07:18 AM
Sunset: 4:49 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:24 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.