National Weather Service Forecast for: 21 Miles S Mammoth Lakes CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 9:56 am PDT May 4, 2026
 
Today

Today: A chance of rain, then showers and possibly a thunderstorm after 11am.  High near 47. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers

Tonight

Tonight: Rain likely before 10pm, then rain and snow likely. Some thunder is also possible.  Snow level 7300 feet. Cloudy, with a low around 33. West northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. Little or no snow accumulation expected.
Rain/Snow
Likely

Tuesday

Tuesday: Rain and snow showers likely, becoming all rain after 11am. Some thunder is also possible.  Snow level 7300 feet rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 51. Calm wind becoming west northwest around 5 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.
Rain/Snow
Likely then
Showers
Likely
Tuesday
Night
Tuesday Night: A 30 percent chance of rain before 11pm.  Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming north northeast in the evening.
Chance Rain
then Partly
Cloudy
Wednesday

Wednesday: Sunny, with a high near 65. Northeast wind around 5 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 43. North northwest wind around 5 mph becoming east northeast in the evening.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 45. West wind around 5 mph becoming calm  in the evening.
Mostly Clear

Friday

Friday: Sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.
Sunny

Hi 47 °F Lo 33 °F Hi 51 °F Lo 38 °F Hi 65 °F Lo 43 °F Hi 69 °F Lo 45 °F Hi 71 °F

 

Today
 
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 47. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Rain likely before 10pm, then rain and snow likely. Some thunder is also possible. Snow level 7300 feet. Cloudy, with a low around 33. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
 
Rain and snow showers likely, becoming all rain after 11am. Some thunder is also possible. Snow level 7300 feet rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 51. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
 
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 38. West northwest wind around 5 mph becoming north northeast in the evening.
Wednesday
 
Sunny, with a high near 65. Northeast wind around 5 mph.
Wednesday Night
 
Mostly clear, with a low around 43. North northwest wind around 5 mph becoming east northeast in the evening.
Thursday
 
Sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 45. West wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 71. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
 
Mostly clear, with a low around 47. West wind around 5 mph becoming east northeast after midnight.
Saturday
 
Sunny, with a high near 74. East wind around 5 mph becoming calm.
Saturday Night
 
Mostly clear, with a low around 49. West wind around 5 mph becoming east northeast in the evening.
Sunday
 
Sunny, with a high near 78. East northeast wind around 5 mph becoming calm.

 

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