National Weather Service Forecast for: Mammoth Lakes CA
Issued by: National Weather Service Reno, NV
Updated: 4:30 am PDT Oct 6, 2026
 
Today

Today: Sunny, with a high near 75. East wind around 5 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 48. Calm wind.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 76. Calm wind becoming northeast around 5 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 49. Calm wind.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 75. Calm wind becoming east around 5 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 49. South wind around 5 mph becoming calm  in the evening.
Mostly Clear
Friday

Friday: Sunny, with a high near 72.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 44.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 64.
Sunny
Hi 75 °F Lo 48 °F Hi 76 °F Lo 49 °F Hi 75 °F Lo 49 °F Hi 72 °F Lo 44 °F Hi 64 °F

 

Today
 
Sunny, with a high near 75. East wind around 5 mph.
Tonight
 
Mostly clear, with a low around 48. Calm wind.
Wednesday
 
Sunny, with a high near 76. Calm wind becoming northeast around 5 mph.
Wednesday Night
 
Mostly clear, with a low around 49. Calm wind.
Thursday
 
Sunny, with a high near 75. Calm wind becoming east around 5 mph.
Thursday Night
 
Mostly clear, with a low around 49. South wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 72.
Friday Night
 
Mostly clear, with a low around 44.
Saturday
 
Sunny, with a high near 64.
Saturday Night
 
Mostly clear, with a low around 40. Breezy.
Sunday
 
Sunny, with a high near 59.
Sunday Night
 
A slight chance of snow showers. Snow level 9500 feet lowering to 8100 feet after midnight . Mostly clear, with a low around 31.
Columbus Day
 
A slight chance of snow showers. Snow level rising to 8600 feet in the afternoon. Sunny, with a high near 53.

 

Forecast from NOAA-NWS for Mammoth Lakes CA.