Button up your overcoat, because, baby, it's going to be cold outside.

New Year's Eve is expected to be clear and cold, with nighttime temperatures of about 16 degrees. Then, the National Weather Service is forecasting temperatures to plummet into the single digits Thursday night, about 8 degrees, with snow likely. The mercury is expected to plunge to about 2 degrees Friday night. Saturday's weather is expected to be blustery and frigid, with daytime temperatures hitting a high of about 15 degrees.Throughout the week, daytime temperatures are expected to hover between the high 20s and low 30s, plunging into the teens at night.The chances of snow begin Tuesday, with a 20 percent chance in the TIMES NEWS coverage area, rising to a 70 percent chance Thursday.This is quite a change from Sunday when temperatures were near 40 and heavy rains pounded the area. Some residents reported getting as much as an inch of rain Sunday.Flights were delayed in New York City area and in Philadelphia. Newark International Airport was experiencing delays by almost two hours. Winds also caused delays at Kennedy International Airport.At 4 p.m. Sunday winds reached 33 mph at JFK.The Associated Press contributed information to this story.