weather December 31, 2019 7:20 pm NBC10 First Alert Weather: Chilly and Windy for the Mummers Parade The weather conditions on Wednesday are expected to be mostly cloudy, with temperatures reaching a high of 43. NBC10 First Alert Meteorologist Steve Sosna has your forecast US & World Videos 2:44 Gray, warmer Monday 2:24 Gray Monday 2:00 Dreary Monday weather 2:36 Gloomy weather sticks around for Sunday's Broad Street Run 2:44 Cloudy, chance for rain this weekend