Rainbow Lakes, CA Weather Forecast
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Rainbow Lakes Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
| Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 62°FHi: 17°C | Lo: 44°FLo: 7°C | Hi: 64°FHi: 18°C | Hi: 64°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 64°FHi: 18°C Lo: 45°FLo: 7°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C Lo: 43°FLo: 6°C | Hi: 60°FHi: 16°C Lo: 43°FLo: 6°C | Hi: 60°FHi: 16°C Lo: 43°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 AM PDT Tue Sep 29 2026 

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Issued: 959 AM PDT Tue Sep 29 2026
Key Messages
1. Low pressure trough begins to lift today, leading to a slight increase in temperatures.
2. A ridge will build Wednesday, leading to temperatures well above seasonal normals through at least this weekend.
3. Ridge brings Moderate Heat Risk across our forecast area from Thursday into next week.
.DISCUSSION... Time for your favorite part of the day, reading the Area Forecast Discussion (with some sarcasm)! The low pressure trough that brought in cooler temperatures and activity in the S...
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