National Weather Service Forecast for: Mammoth Lakes CA
Issued by: National Weather Service Reno, NV
Updated: 11:30 pm PDT Jun 21, 2026
 
Overnight

Overnight: Mostly clear, with a low around 49. Calm wind.
Mostly Clear
 Monday

Monday: Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 50. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 30 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 35 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 50.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 80.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 49.
Clear
Lo 49 °F Hi 80 °F Lo 50 °F Hi 84 °F Lo 52 °F Hi 81 °F Lo 50 °F Hi 80 °F Lo 49 °F

 

Overnight
 
 Mostly clear, with a low around 49. Calm wind.
Monday
 
 Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
 
 Mostly clear, with a low around 50. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 30 mph.
Tuesday
 
 Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
 
 Clear, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 35 mph.
Wednesday
 
 Sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
 
 Mostly clear, with a low around 50.
Thursday
 
 Sunny, with a high near 80.
Thursday Night
 
 Clear, with a low around 49.
Friday
 
 Sunny, with a high near 75. Breezy.
Friday Night
 
 Mostly clear, with a low around 47. Breezy.
Saturday
 
 Sunny, with a high near 72. Breezy.
Saturday Night
 
 Clear, with a low around 44.
Sunday
 
 Sunny, with a high near 74.

 

Forecast from NOAA-NWS for Mammoth Lakes CA.