Philadelphia January 20, 2020 6:27 am NBC10 First Alert Weather: Chilly MLK Day It’s a breezy and cold start to Martin Luther King Jr. Day in Philadelphia and the surrounding communities. Meteorologist Bill Henley has the forecast. 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