These Ontario cities broke temperature records on Oct. 30 and 31

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Published November 1, 2024 at 3:43 pm

temperature records ontario

Temperatures soared this week and broke records in some Ontario cities.

A warm airmass brought record-high maximum temperatures into southern Ontario on Wednesday and Thursday, Environment and Climate Change Canada said.

On Wednesday, Oct. 30, the high reached 23.1 C at Toronto Pearson Airport in Mississauga. This broke the previous record high of 21.7 C set in 1946 and 1950. Environment Canada began keeping records here in 1938.

The record high of 20 C set in 1946 in Oshawa broke when the temperature reached 21 C on Wednesday. Records have been kept in Oshawa since 1882.

Records were also broken in Algonquin, Brockville, Sudbury, Kingston, Ottawa and several other cities.

Durham Region and Mississauga hit record highs again on Oct. 31.

On Halloween, the thermometer shot up to 22.8 C tying a record set in 1971 at Toronto Pearson Airport in Mississauga.

Oshawa set a new record of 20.2 C on Halloween. The old record was 19.4 C set in 1956.

The St. Catharines area set a new record high of 23.7 C, breaking the previous record of 22.8 C set in 1971. Records have been kept here since 1901.

Records were also broken in Cobourg, Kingston, Muskoka, Ottawa and many other cities.

Environment Canada added that the temperature records are from a selection of historical stations in each geographic area that were active during the period of record.

The summary may contain preliminary or unofficial information and is not a final report, the weather forecaster said.

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