If you planning to travel to Whitetail Ski Resort, Mercersburg, Pennsylvania, 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 11:45 AM. The temperature feels like 60.9 with a humidity level of 73 so dress accordingly. Cloud coverage is 18 percent with visibility at 14.4 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 11 MPH. At the end of the day don’t miss the sunset at 10:04 PM.