September 24, 2021
Frost advisory in effect for:
Guelph – Erin – Southern Wellington County
Kitchener – Cambridge – Region of Waterloo
Some plants may be damaged or even destroyed by frost.
Frost and/or freeze. Steadier winds Monday night may limit frost development, but temperatures will still be near or below freezing regardless.
A large swath of southern Ontario. Areas near the lakeshore may be mild enough to limit frost.
Tonight. Frost is possible again for several more nights through mid week.
Take preventative measures to protect frost-sensitive plants and trees.