If you planning to travel to Devil's Postpile National Monument, 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 2:46 PM. The temperature feels like 23.799999999999997 with a humidity level of 98 so dress accordingly. Cloud coverage is 90 percent with visibility at 0.6 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 11 MPH. At the end of the day don’t miss the sunset at 12:39 AM.