It’s almost three weeks early, but Environment Canada has issued a frost advisory for London and Middlesex County, as well as a large swath of southern Ontario.
The national weather agency says the overnight low is expected to fall to 0 C on Friday night into Saturday morning and again on Saturday into Sunday morning.
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‘Unseasonably cool’: Frost advisory issued for parts of Saskatchewan
The advisories are issued during the growing season to alert the public that temperatures may reach the freezing mark and could result in damage to plants and crops.
The City of London falls within Zone C of the Climate Zone Map of Ontario, with the first frost coming Oct. 8 on average, based on data from 1976-2005.
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