| NWS Forecast for: Hercules CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 3:39 pm PDT Sep 6, 2026 |  |
| Tonight: Mostly clear, with a low around 54. South southwest wind 3 to 7 mph. Labor Day: Sunny, with a high near 82. Calm wind becoming west southwest around 6 mph in the afternoon. Monday Night: Mostly clear, with a low around 58. South southwest wind 3 to 7 mph. Tuesday: Sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the afternoon. Tuesday Night: Partly cloudy, with a low around 65. Southwest wind 3 to 8 mph. Wednesday: Mostly sunny, with a high near 91. Wednesday Night: Partly cloudy, with a low around 67. Thursday: Sunny, with a high near 85. Thursday Night: Mostly clear, with a low around 62. Friday: Sunny, with a high near 77. Friday Night: Mostly clear, with a low around 59. Saturday: Mostly sunny, with a high near 75. Saturday Night: Mostly clear, with a low around 59. Sunday: Mostly sunny, with a high near 76. | |
| Hercules CA 38°N 122.27°W (Elev. 377 ft) | |
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