. >> among those receiving a degree is irvin medicalway. the 93-year-old has been taking classes at villanova for 23 years. and new york city mayor michael bloomberg gave the keynote address, commencement address to the class of 2017. >> you see a lot of people doing this in the audience. >> hot and muggy, but not that way tomorrow. >> 40% in the poll said loving the sunshine. 60% too soon. >> it's cooling off dramatically. we are live sky 6 looking at the center city skyline. we have over cast skies and we continue to see showers working south of the region over the mouth of delaware bay. no lightning with this. this is heavy downpour pushing east, moving through bringing us cooler weather for the airport. right now, 78 in philadelphia. the poconos, 56-degrees. the dewpoint shows dryer air to the north. philadelphia still muggy. you can see the north dewpoints dropping to the 50s. that indicates the air is much dryer an cooler. the cold front is slicing through. if you look to the north and west, you can see showers across western pennsylv