The weather in Mammoth Lakes in October is very cold with temperatures between 1°C and 14°C, warm clothes are a must.
Mammoth Lakes is going to be cold and wet in the month of October. Expect low temperatures and a few days of rain, so be sure to bundle up to avoid catching a cold.
Please note that Mammoth Lakes can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Mammoth Lakes in October 2025.
If you’re planning to visit Mammoth Lakes in the near future, we highly recommend that you review the 14 day weather forecast for Mammoth Lakes before you arrive.
Temperatures
14° / 1°
Rainy Days
2
Snowy Days
1
Dry Days
28
Rainfall
29
mm
Sun Hours
10.4
Hrs
