A frost advisory has been issued for Thursday morning in Calabasas and Agoura Hills, according to the National Weather Service.
The advisory, in effect from 3 to 9 a.m., warns of areas of frost mainly between 3 and 9 a.m. as temperatures tonight dip to 28 to 32 degrees.
A frost advisory means that frost is expected and sensitive outdoor plants may be killed if left uncovered.