Weather WorldSan Luis Reservoir, CA Weather Forecast
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San Luis Reservoir Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 |  | | | | | | | | |
| Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 87°FHi: 31°C | Lo: 62°FLo: 17°C | Hi: 84°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 79°FHi: 26°C | Hi: 83°FHi: 28°C Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C Lo: 60°FLo: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 AM PDT Sun Aug 30 2026 
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Issued: 1030 PM PDT Sat Aug 29 2026
Key Messages
1. Temperatures will be normal to slightly below normal through the weekend before below average by the middle of next week.
2. Remaining moisture over the region bring a 5-15% chance of thunderstorms from the foothills to the Sierra Nevada Crest this afternoon.
3. Precipitation chances return again in the middle of next week.
Discussion
... Heat Dome shifting east as the district will now see afternoon highs in the 90s for several days. A broad Trough Pattern over the West Coast forcing...