If you planning to travel to Mammoth Mountain, Mammoth Lakes, California, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 2:41 PM. The temperature feels like 23.15 with a humidity level of 30 so dress accordingly. Cloud coverage is 13 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 19 MPH. At the end of the day don’t miss the sunset at 12:42 AM.