National Weather Service Forecast for: 21 Miles S Mammoth Lakes CA
Issued by: National Weather Service San Joaquin Valley/Hanford, CA
Updated: 8:57 pm PST Dec 16, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 40. South southeast wind around 5 mph.
Partly Cloudy

 Wednesday

Wednesday: Partly sunny, then gradually becoming sunny, with a high near 56. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Becoming
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 40. East southeast wind around 5 mph becoming calm.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 40. South southwest wind around 5 mph.
Mostly Clear

 Friday

Friday: A 10 percent chance of rain after 4pm. Snow level 7600 feet rising to 8400 feet in the afternoon. Sunny, with a high near 60. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny then
Slight Chance
Rain
 Friday
Night
Friday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 41. South southwest wind around 5 mph.
Chance Rain

 Saturday

Saturday: A 50 percent chance of rain. Partly sunny, with a high near 52. West southwest wind 5 to 10 mph, with gusts as high as 15 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Chance Rain

 Saturday
Night
Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 5 mph. New precipitation amounts between a quarter and half of an inch possible.
Chance Rain
Lo 40 °F Hi 56 °F Lo 40 °F Hi 60 °F Lo 40 °F Hi 60 °F Lo 41 °F Hi 52 °F Lo 40 °F

 

Tonight
 
 Partly cloudy, with a low around 40. South southeast wind around 5 mph.
Wednesday
 
 Partly sunny, then gradually becoming sunny, with a high near 56. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
 
 Mostly clear, with a low around 40. East southeast wind around 5 mph becoming calm.
Thursday
 
 Sunny, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 40. South southwest wind around 5 mph.
Friday
 
 A 10 percent chance of rain after 4pm. Snow level 7600 feet rising to 8400 feet in the afternoon. Sunny, with a high near 60. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
 A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 41. South southwest wind around 5 mph.
Saturday
 
 A 50 percent chance of rain. Partly sunny, with a high near 52. West southwest wind 5 to 10 mph, with gusts as high as 15 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
 A 50 percent chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 5 mph. New precipitation amounts between a quarter and half of an inch possible.
Sunday
 
 A 50 percent chance of rain. Mostly cloudy, with a high near 49. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
 
 A 40 percent chance of rain. Mostly cloudy, with a low around 39. South wind around 5 mph, with gusts as high as 15 mph.
Monday
 
 A 30 percent chance of rain. Partly sunny, with a high near 51. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
 
 A slight chance of rain and snow. Snow level 7600 feet. Mostly cloudy, with a low around 37. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tuesday
 
 A chance of rain and snow. Snow level 7400 feet. Partly sunny, with a high near 48. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

 

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