Diamond, California Weather
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Weather Forecast for Diamond, California : Contra Costa County
Issued: 1:26 pm PDT Sep 15, 2025 Latitude: 38.0215875 Longitude: -121.8932918 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Clear on Overnight Sunny on Tuesday Sunny on Wednesday Partly Sunny on Thursday 20% chance of thunderstorms on Friday 10% chance of rain on Saturday Sunny on Sunday Sunny on Monday
Low: 68°F High: 97°F High: 96°F High: 86°F High: 86°F High: 85°F High: 85°F High: 88°F
Low: 67°F Low: 68°F Low: 67°F Low: 66°F Low: 64°F Low: 64°F  
Clear Sunny Sunny Partly Sunny Thunderstorms Rain Sunny Sunny
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Current Conditions at
CONCORD - (KCCR)
72°
Clear
as of 11:53 PM PDST
Rel. Humidity: 53%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
TRAVIS AFB - (KSUU)
64°
Clear
as of 11:55 PM PDST
Rel. Humidity: 67%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
LIVERMORE - (KLVK)
70°
Clear
as of 11:53 PM PDST
Rel. Humidity: 52%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
VACAVILLE - (KVCB)
64°
Clear
as of 11:53 PM PDST
Rel. Humidity: 55%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 68. West southwest wind around 7 mph.
Sunny on Tuesday Tuesday... Sunny and hot, with a high near 97. West northwest wind around 7 mph.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 67. West southwest wind around 9 mph.
Sunny on Wednesday Wednesday... Sunny and hot, with a high near 96. West wind around 9 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 68. West southwest wind around 11 mph, with gusts as high as 18 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 86.
30% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms before 11am, then a slight chance of showers. Mostly sunny, with a high near 86.
10% chance of rain Friday Night Friday Night... A slight chance of showers after 11pm. Partly cloudy, with a low around 66.
10% chance of rain Saturday Saturday... A slight chance of showers before 11am. Mostly sunny, with a high near 85.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 64.
Sunny on Sunday Sunday... Sunny, with a high near 85.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 64.
Sunny on Monday Monday... Sunny, with a high near 88.
Current Radar Image


Sun Almanac for Diamond, California
Sunrise: 06:51 AM
Sunset: 7:14 PM
Civil Sunrise:06:24 AM
Civil Sunset: 7:40 PM
Nautical Sunrise: 05:53 AM
Nautical Sunset: 8:11 PM
Astro Sunrise: 05:22 AM
Astro Sunset: 8:43 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.