Traveling to Chair 20 Ski Lift, Mammoth Lakes, California? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 2:44 PM and don’t miss the sunset at 12:40 AM. Today’s winds are traveling southwest at a speed of 18 MPH. The temperature feels like 19 with a humidity level of 89. Cloud coverage is 65 percent with 3.1 percent visibility. Today’s UV index is 1 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.