Hercules, California Weather
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Weather Forecast for Hercules, California : Contra Costa County
Issued: 2:51 pm PDT Jun 21, 2025 Latitude: 38.0171441 Longitude: -122.2885808 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Morning Fog on Wednesday Sunny on Thursday Sunny on Friday Sunny on Saturday
Low: 54°F High: 66°F High: 67°F High: 62°F High: 66°F High: 68°F High: 66°F High: 65°F
Low: 54°F Low: 54°F Low: 53°F Low: 55°F Low: 55°F Low: 54°F  
Clear Sunny Sunny Sunny Morning Fog Sunny Sunny Sunny
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Current Conditions at
CONCORD - (KCCR)
73°
Clear
as of 7:53 PM PDST
Rel. Humidity: 35%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
13 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
NAPA - (KAPC)
70°
Clear
as of 7:54 PM PDST
Rel. Humidity: 46%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
13 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
OAKLAND - (KOAK)
64°
Mostly Clear
as of 7:53 PM PDST
Rel. Humidity: 63%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
13 MPH
250° West
Cloud Level(s): Few at 5000ft
Current Conditions at
TRAVIS AFB - (KSUU)
73°
Clear
as of 7:55 PM PDST
Rel. Humidity: 35%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
14 MPH
260° West
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 54. West northwest wind 8 to 16 mph, with gusts as high as 24 mph.
Sunny on Sunday Sunday... Sunny, with a high near 66. West wind 5 to 13 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 54. South southwest wind 6 to 10 mph.
Sunny on Monday Monday... Sunny, with a high near 67. South southwest wind 9 to 14 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 54. South southwest wind around 14 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 62.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 53.
Morning Fog on Wednesday Wednesday... Patchy fog between 8am and 10am. Otherwise, sunny, with a high near 66.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 55.
Sunny on Thursday Thursday... Sunny, with a high near 68.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 55.
Sunny on Friday Friday... Sunny, with a high near 66.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 54.
Sunny on Saturday Saturday... Sunny, with a high near 65.
Current Radar Image


Sun Almanac for Hercules, California
Sunrise: 05:47 AM
Sunset: 8:35 PM
Civil Sunrise:05:15 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 04:36 AM
Nautical Sunset: 9:46 PM
Astro Sunrise: 03:51 AM
Astro Sunset: 10:31 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.