If you planning to travel to Rainbow Falls, 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 2:42 PM. The temperature feels like 36.5 with a humidity level of 45 so dress accordingly. Cloud coverage is 8 percent with visibility at 13.5 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 13 MPH. At the end of the day don’t miss the sunset at 12:41 AM.