March is typically a roller coaster month in New Jersey and the end of this week will be no exception. Meteorologists predict that temperatures will reach 70 degrees in South Jersey on Thursday before a cold front moves through that will spark showers and perhaps the first thunderstorm of 2015. 48 hours later, back to winter with temperatures staying below 40 degrees and a full 30 degrees colder than Thursday’s first day of 70 degree weather.