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City of Hercules, CAHercules, CA 7-Day Weather Forecast
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Hercules Weather Forecast
Hercules, CA Weather Forecast Date: 302 AM PDT Mon Sep 07 2026
Weather forecast for Hercules, CA
Tonight Lo: 55°F Lo: 13°C |
Tonight... Mostly clear. Lows in the mid 50s. Light winds. |
Mon Hi: 90°FHi: 32°C Lo: 61°F Lo: 16°C |
Monday... Sunny. Highs around 90. Northwest winds 5 to 10 mph. |
| Tue Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
Tuesday... Sunny. Highs in the 90s. Northwest winds up to 5 mph. |
Wed Hi: 100°FHi: 38°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy in the morning then becoming partly cloudy. Highs 97 to 102. |
| Thu Hi: 99°FHi: 37°C Lo: 65°F Lo: 18°C |
Thursday... Mostly clear. Highs in the upper 90s. Lows in the mid 60s. |
| Fri Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Friday... Mostly clear. Highs in the mid 80s. Lows around 60. |
| Sat Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Saturday... Mostly clear. Highs in the mid 80s. Lows around 60. |
| Sun Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Sunday... Mostly clear. Highs in the mid 80s. Lows around 60. |
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