Weather WorldUpper Boulder Lake, CA Weather Forecast
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Upper Boulder Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | | |  |  |  |  | |  |  |
| Smoke | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Cloudy | Clearing | Chance of Rain | Chance of Rain |
| Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 56°FLo: 13°C |
| POP: 10% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 239 PM PDT Wed Aug 12 2026 
Upper Boulder Lake Radar Loop
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