| National Weather Service Forecast for:
Hercules CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 12:26 am PST Dec 5, 2025 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 43. Calm wind becoming east southeast around 5 mph. |
| Friday |
Sunny, with a high near 60. Light and variable wind. |
| Friday Night |
Partly cloudy, with a low around 46. South southwest wind around 5 mph becoming calm after midnight. |
| Saturday |
Mostly sunny, with a high near 61. Light and variable wind. |
| Saturday Night |
Partly cloudy, with a low around 47. Calm wind. |
| Sunday |
Partly sunny, with a high near 61. |
| Sunday Night |
Partly cloudy, with a low around 46. |
| Monday |
Mostly sunny, with a high near 61. |
| Monday Night |
Partly cloudy, with a low around 46. |
| Tuesday |
Partly sunny, with a high near 61. |
| Tuesday Night |
Partly cloudy, with a low around 48. |
| Wednesday |
Mostly sunny, with a high near 62. |
| Wednesday Night |
Partly cloudy, with a low around 47. |
| Thursday |
Mostly sunny, with a high near 62. |
Forecast from NOAA-NWS for Hercules CA.
