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Charleston, California Weather Forecast
Charleston, California Weather
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Weather Forecast for Charleston, California : San Joaquin County
Issued: 1:21 am PST Dec 18, 2025 Latitude: 37.9777015 Longitude: -121.1768885 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Morning Fog on Today Morning Fog on Tonight 80% chance of rain on Friday 60% chance of rain on Saturday 90% chance of thunderstorms on Sunday Rain on Monday Rain on Tuesday Rain on Wednesday
High: 56°F Low: 48°F High: 55°F High: 55°F High: 57°F High: 56°F High: 54°F High: 54°F
Low: 53°F Low: 55°F Low: 55°F Low: 51°F Low: 51°F  
Morning Fog Morning Fog Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
STOCKTON - (KSCK)
52°
Cloudy
as of 4:02 AM PST
Rel. Humidity: 11%
Visibility: 7 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 600ft, Broken at 1100ft, Solid Overcast at 1900ft
Current Conditions at
MODESTO - (KMOD)
50°
Cloudy
Fog
as of 3:53 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 1/4 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
6 MPH
120° Southeast
Current Conditions at
LIVERMORE - (KLVK)
52°
Cloudy
Mist
as of 4:11 AM PST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 2 1/2 Miles
Pressure: 30.13 in.
Flight Rule: LIFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
MATHER AFB - (KMHR)
54°
Cloudy
Mist
as of 3:55 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 4 Miles
Pressure: 30.12 in.
Flight Rule: LIFR
Wind Data
5 MPH
020° North
Cloud Level(s): Solid Overcast at 400ft
Morning Fog on Today Today... Widespread dense fog, mainly before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 56. Light south southeast wind.
Morning Fog on Tonight Tonight... Widespread dense fog, mainly after 1am. Otherwise, increasing clouds, with a low around 48. Calm wind.
80% chance of rain Friday Friday... Showers, mainly after 4pm. High near 55. South southeast wind 3 to 6 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... Showers. Low around 53. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
60% chance of rain Saturday Saturday... Showers likely. Cloudy, with a high near 55. South southeast wind around 5 mph. Chance of precipitation is 60%.
90% chance of rain Saturday Night Saturday Night... Showers. Low around 55. Chance of precipitation is 90%.
90% chance of thunderstorms Sunday Sunday... Showers, with thunderstorms also possible after 4pm. High near 57. Chance of precipitation is 90%.
Thunderstorms on Sunday Night Sunday Night... Showers and possibly a thunderstorm. Cloudy, with a low around 55.
Rain on Monday Monday... Showers. Cloudy, with a high near 56.
Rain on Monday Night Monday Night... Showers likely. Cloudy, with a low around 51.
Rain on Tuesday Tuesday... Showers likely. Cloudy, with a high near 54.
Rain on Tuesday Night Tuesday Night... Showers. Cloudy, with a low around 51.
Rain on Wednesday Wednesday... Showers likely. Cloudy, with a high near 54.
Current Radar Image


Sun Almanac for Charleston, California
Sunrise: 07:16 AM
Sunset: 4:47 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:22 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.