National Weather Service Forecast for: 21 Miles S Mammoth Lakes CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 12:56 am PDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 59. Calm wind.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 85. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
Thursday
Night
Thursday Night: Increasing clouds, with a low around 59. West wind around 5 mph becoming calm  in the evening.
Increasing
Clouds
Friday

Friday: Partly sunny, with a high near 82. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Partly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 57. West southwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.
Partly Cloudy
Saturday

Saturday: Sunny, with a high near 80. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 56. West southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.
Mostly Clear
Sunday

Sunday: 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 20 mph.
Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.
Partly Cloudy
Lo 59 °F Hi 85 °F Lo 59 °F Hi 82 °F Lo 57 °F Hi 80 °F Lo 56 °F Hi 80 °F Lo 56 °F

 

Overnight
 
Mostly clear, with a low around 59. Calm wind.
Thursday
 
Sunny, with a high near 85. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
 
Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.
Friday
 
Partly sunny, with a high near 82. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
Partly cloudy, with a low around 57. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
 
Sunny, with a high near 80. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
Mostly clear, with a low around 56. West southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
 
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 20 mph.
Sunday Night
 
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Monday
 
Mostly sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
 
Mostly clear, with a low around 55. Southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
 
Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
Partly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.
Wednesday
 
Mostly sunny, with a high near 79. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

 

Forecast from NOAA-NWS for 21 Miles S Mammoth Lakes CA.