The National Weather Service issued a frost advisory Sunday for several counties in Pennsylvania, New Jersey and Delaware.
According to the NWS, temperatures are expected to drop into the mid 30s. The cold temperatures could damage or kill outdoor plants if left uncovered.
The advisory goes into effect at 3 a.m. Monday and expires at 8 a.m. As of 4 p.m. Sunday, the advisory included Berks, Bucks, Chester, New Castle, Burlington, Camden and Gloucester counties, among others.
You can see the full list of counties under the frost advisory on the weather alerts page of myfoxphilly.com.
After a TRACE of April snow in Philadelphia Wednesday morning, the return of winter is making an unwanted return for most.
Freeze warnings posted for Wednesday night into Thursday AM. Protect sensitive plants!
Expect a slow warm up over the next couple of days.
Thursday High: 54
Friday High: 56
Saturday High: 63
Sunday High: 64