Philadelphia October 30, 2017 7:03 pm NBC10 First Alert Weather: Halloween Forecast NBC10 First Alert Weather meteorologists Glenn “Hurricane” Schwartz and Tammie Souza are tracking what to expect in your Halloween forecast. Conditions will be chilly and clear. US & World Videos 2:50 One more cool day, then warmer weather ahead 3:15 Cold night, then a big warmup this weekend 3:05 Temperatures to heat up over the weekend 2:05 Warming into the 80s by weekend's end 2:09 Big weekend warm-up expected