The weather in New York is very temperamental these days, so it’s not surprising to see stars donning heavy coats one day and light sweatshirts the next. New Yorkers never really know what to expect in March, so it’s best to triple-check the weather before heading out. While one day it’s 58 and sunny, the next it’s 32 with a wind chill of 25. I’m speaking from experience, of course. But that’s the...