Philadelphia November 18, 2018 6:10 am NBC10 First Alert Weather: Philadelphia Marathon Forecast NBC10 First Alert Weather meteorologist Krystal Klei is tracking a cold start to marathon day in Philadelphia. Expect tempatures in the mid-to-high 40s across most of our area. US & World Videos 3:04 Another hot day with chance for isolated morning showers 3:12 Pop-up showers possible Tuesday night for parts of the region 2:35 Warm trend continues, but rain is on the way 2:47 The string of warm days continues 2:32 Warm spring days feeling more like summer
