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Lake Cuyamaca, CA Weather Forecast
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Lake Cuyamaca Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | |  | | |  | |  | |  |
| Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers |
| Lo: 72°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 92°FHi: 33°C | Lo: 67°FLo: 19°C | Hi: 88°FHi: 31°C | Lo: 64°FLo: 18°C | Hi: 86°FHi: 30°C | Lo: 61°FLo: 16°C | Hi: 84°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1208 PM PDT Sat Aug 08 2026 
Lake Cuyamaca Radar Loop
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