| 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 Feb 2, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 45. Calm wind. |
| Monday |
Sunny, with a high near 63. Calm wind becoming northwest around 5 mph. |
| Monday Night |
Partly cloudy, with a low around 45. Light and variable wind becoming east around 5 mph after midnight. |
| Tuesday |
Sunny, with a high near 64. East northeast wind 7 to 9 mph. |
| Tuesday Night |
Mostly clear, with a low around 46. Northeast wind around 6 mph. |
| Wednesday |
Sunny, with a high near 64. |
| Wednesday Night |
Mostly clear, with a low around 45. |
| Thursday |
Mostly sunny, with a high near 64. |
| Thursday Night |
Mostly cloudy, with a low around 48. |
| Friday |
Mostly sunny, with a high near 64. |
| Friday Night |
Partly cloudy, with a low around 49. |
| Saturday |
Patchy fog. Otherwise, mostly sunny, with a high near 63. |
| Saturday Night |
Partly cloudy, with a low around 49. |
| Sunday |
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 64. |
Forecast from NOAA-NWS for Hercules CA.
