National Weather Service Forecast for: Mammoth Lakes CA
Issued by: National Weather Service Reno, NV
Updated: 7:41 pm PDT Jun 19, 2026
 
Tonight

Tonight: Mostly clear, with a low around 44. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 40 mph.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 46. Southwest wind 5 to 10 mph becoming light west  in the evening. Winds could gust as high as 30 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 79. Calm wind.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 20 mph.
Mostly Clear
Monday

Monday: Sunny, with a high near 83. Calm wind.
Sunny
Monday
Night
Monday Night: Clear, with a low around 52.
Clear
Tuesday

Tuesday: Sunny, with a high near 84.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 52.
Clear
Lo 44 °F Hi 76 °F Lo 46 °F Hi 79 °F Lo 50 °F Hi 83 °F Lo 52 °F Hi 84 °F Lo 52 °F

 

Tonight
 
Mostly clear, with a low around 44. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 40 mph.
Saturday
 
Sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
 
Mostly clear, with a low around 46. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 30 mph.
Sunday
 
Sunny, with a high near 79. Calm wind.
Sunday Night
 
Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Monday
 
Sunny, with a high near 83. Calm wind.
Monday Night
 
Clear, with a low around 52.
Tuesday
 
Sunny, with a high near 84.
Tuesday Night
 
Clear, with a low around 52.
Wednesday
 
Sunny, with a high near 83.
Wednesday Night
 
Mostly clear, with a low around 52.
Thursday
 
A slight chance of showers and thunderstorms. Sunny, with a high near 82.
Thursday Night
 
Mostly clear, with a low around 51.
Friday
 
Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Mammoth Lakes CA.