Frost advisory for Peterborough and greater Kawarthas region overnight for entire weekend

Widespread frost expected Friday, Saturday, and Sunday night with low nighttime temperatures below freezing

Frost in a farmer's field. (Stock photo)

A frost advisory is in effect for almost all of southern Ontario, including the Kawarthas, overnight for the entire weekend until Monday morning.

Environment Canada is forecasting widespread frost overnight on Friday (September 18), Saturday, and Sunday due to a persistent ridge of high pressure bringing low nighttime temperatures below the freezing mark.

Freezing temperatures and frost are also expected each night through the weekend due to a persistent ridge of high pressure.

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Frost may destroy fruit crops, vegetables, and other plants. Cover up plants, especially those in frost-prone areas. Take preventative measures to protect frost-sensitive plants and trees.

Environment Canada issues frost advisories when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops.