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Mammoth Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | | |  |  | |  | | |
| Clear | Sunny | Clear | Sunny | Clear | Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Mostly Sunny | Mostly Clear |
| Lo: 67°FLo: 19°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 86°FHi: 30°C | Lo: 56°FLo: 13°C | Hi: 74°FHi: 23°C | Lo: 52°FLo: 11°C | Hi: 66°FHi: 19°C Lo: 53°FLo: 12°C | Hi: 66°FHi: 19°C Lo: 53°FLo: 12°C | Lo: 53°FLo: 12°C | Hi: 67°FHi: 19°C | Hi: 67°FHi: 19°C Lo: 52°FLo: 11°C |
| POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 PM PDT Fri Oct 16 2026 
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Issued: 1120 AM PDT Fri Oct 16 2026
Key Messages
1. Warm conditions are expected through the weekend with temperatures across the area likely about 5-10 degrees above normal.
2. A Red Flag Warning remains in effect through tonight for the Sierra Nevada mountains above 4000 feet for high winds and low relative humidity values.
3. A Wind Advisory remains in effect for the Mojave Desert through tonight with gusts up to 60 mph.
4. A pattern change remains likely by early next week with temperatures cooling quickly to well below average fo...