Weather WorldCastac Lake, CA Weather Forecast
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Castac Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Chance of Rain | Chance of Rain | Chance of Rain | Rain | Chance of Rain | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 62°FHi: 17°C | Lo: 49°FLo: 9°C | Hi: 58°FHi: 14°C | Lo: 45°FLo: 7°C | Hi: 52°FHi: 11°C | Lo: 41°FLo: 5°C | Hi: 62°FHi: 17°C Lo: 49°FLo: 9°C | Hi: 62°FHi: 17°C Lo: 49°FLo: 9°C | Hi: 57°FHi: 14°C Lo: 45°FLo: 7°C | Hi: 57°FHi: 14°C Lo: 45°FLo: 7°C | Hi: 58°FHi: 14°C Lo: 45°FLo: 7°C | Hi: 58°FHi: 14°C Lo: 45°FLo: 7°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 90% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 345 AM PDT Fri Oct 30 2026 
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Issued: 1037 PM PDT Thu Oct 29 2026
Key Messages
1. Below average temperatures remain in place for the next several days with localized rain and snow showers (above 9,000 feet) across the area from tonight through the start of the weekend.
2. More substantial precipitation will move into our area by Saturday evening with a 40-65% chance of at least a half an inch of rainfall from Saturday evening through mid-day Sunday.
3. A Winter Weather Advisory has been issued for the higher elevations along the Sierra Nevada mountains with a 15-...