Philadelphia December 29, 2017 5:54 am NBC10 First Alert Weather: Freezing Temperatures We start Friday morning with freezing temperatures in the low teens, with snowfall anticipated this weekend. Plus, our 10 day on 10. US & World Videos 2:43 Philly is warmer than Miami, Florida, Monday 2:06 Feeling like summer 2:36 A summer preview 2:50 One more cool day, then warmer weather ahead 3:15 Cold night, then a big warmup this weekend