If you planning to travel to Crystal Lake Trailhead, 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 2:44 PM. The temperature feels like 14.100000000000001 with a humidity level of 93 so dress accordingly. Cloud coverage is 80 percent with visibility at 2.2 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 20 MPH. At the end of the day don’t miss the sunset at 12:40 AM.