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Clayton, California Weather Forecast
Clayton, California Weather
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Weather Forecast for Clayton, California : Contra Costa County
Issued: 12:27 pm PST Dec 18, 2025 Latitude: 37.9410341 Longitude: -121.9357925 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Partly Sunny on This Afternoon Mostly Cloudy on Tonight 80% chance of rain on Friday 80% chance of rain on Saturday 90% chance of thunderstorms on Sunday Rain on Monday 70% chance of rain on Tuesday Rain on Wednesday
High: 63°F Low: 47°F High: 62°F High: 59°F High: 60°F High: 58°F High: 57°F High: 56°F
Low: 52°F Low: 53°F Low: 54°F Low: 49°F Low: 46°F  
Partly Sunny Mostly Cloudy Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
CONCORD - (KCCR)
61°
Clear
as of 1:53 PM PST
Rel. Humidity: 72%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LIVERMORE - (KLVK)
63°
Clear
as of 1:53 PM PST
Rel. Humidity: 63%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HAYWARD - (KHWD)
57°
Clear
as of 1:54 PM PST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 8 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
TRAVIS AFB - (KSUU)
59°
Cloudy
as of 1:55 PM PST
Rel. Humidity: 77%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 1500ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 63. Light west wind.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 47. Light southwest wind.
80% chance of rain Friday Friday... Rain, mainly after 10am. High near 62. South southwest wind 8 to 11 mph, with gusts as high as 21 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, mainly before 10pm. Low around 52. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of rain Saturday Saturday... Rain, mainly after 10am. High near 59. South wind 3 to 5 mph. 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 53. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of thunderstorms Sunday Sunday... Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 60. Chance of precipitation is 90%.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 54.
Rain on Monday Monday... Rain. Cloudy, with a high near 58.
Rain on Monday Night Monday Night... Rain. Cloudy, with a low around 49.
70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 57.
Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 46.
Rain on Wednesday Wednesday... Rain. Mostly cloudy, with a high near 56.
Current Radar Image


Sun Almanac for Clayton, California
Sunrise: 07:19 AM
Sunset: 4:51 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:44 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.