A Freeze Warning has been issued across New Jersey from midnight to 9 a.m. Tuesday, with temperatures expected to reach the mid-40s to mid-50s, with isolated showers possible, with snow in higher terrain and possible hail. The National Weather Service has warned that crops and sensitive vegetation could be at risk due to this cold snap. Temperatures will begin to warm up after Tuesday, rising to above average temperatures throughout the week. However, temperatures will drop again over the weekend and there are increasing chances of rain. The weather will be more chilly than usual, with lows expected to be 10 to 20 degrees lower than the historical average.