Today could be the hottest Oct. 30 on record in Ontario

This could be the hottest Oct. 30 on record in Ontario.

The temperature is expected to reach a high of 23 C on Wednesday in Mississauga, Brampton, Toronto, Burlington and Oakville, according to Environment and Climate Change Canada.

With the humidex it could feel like 27 C.

This is far above normal — the average maximum temperature for Oct. 30 is 10.7 C.

It could also break a record for Oct. 30. The highest temperature reached on this day was 21.7 C in 1946 and 1950, according to Environment Canada’s historic weather records for Toronto Pearson Airport in Mississauga.

The lowest temperature was -7.2 C set in 1966.

Hamilton and Niagara Region are expected to reach 22 C and parts of Durham Region will get to 21 C.

Halloween will also be warm with high of 22 C expected and a chance of rain.

The weather is expected to return to more seasonable temperatures on the weekend.

Lead photo: NEOSiAM 2024+