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Merced Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
 |  | | | |  |  | | | | |
| Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 73°FHi: 23°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C | Hi: 72°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 72°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 68°FHi: 20°C Lo: 47°FLo: 8°C | Hi: 68°FHi: 20°C Lo: 47°FLo: 8°C | Hi: 68°FHi: 20°C Lo: 47°FLo: 8°C | Hi: 68°FHi: 20°C Lo: 47°FLo: 8°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 311 AM PDT Wed Sep 30 2026 
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Issued: 1039 PM 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. Moderate Heat Risk is expected across our forecast area from Thursday into next week.
Discussion
... The couple days of cooler weather will unfortunately be short lived as a ridge builds into the southwest beginning on Wednesday and seemingly parks itself in place for the next week...