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Another day of sweltering heat in GTA before cooler temps arrive

Last Updated Aug 29, 2018 at 10:12 am EDT

Two women use paddle boards on Lake Ontario in Toronto on May 31, 2011. THE CANADIAN PRESS/Nathan Denette

The GTA is in for one more day of sweltering heat, before cooler temperatures arrive on Thursday.

A heat warning, which was issued by Environment Canada, remains in effect for the region, including Toronto, with humidex values expected to reach 40 on Wednesday.

Toronto’s medical officer of health upgraded its heat warning for the city to an extended heat warning. Click here for a list of cooling centres.

680 NEWS meteorologist Jill Taylor said it will be mainly cloudy and windy with a chance of showers or thunderstorms. Although the high is 29 C the humidity will make it feel like 38 C.

The City of Toronto has also extended the hours at eight of its outdoor pools to 11:45 p.m. on Wednesday, weather permitting:

  • Alexandra Park, 275 Bathurst St.
  • Alex Duff Pool, 779 Crawford St.
  • Earlscourt Park/Giovanni Caboto Pool, 1369 St. Clair Ave. W.
  • McGregor Park, 2231 Lawrence Ave. E.
  • Monarch Park, 115 Felstead Ave.
  • Parkway Forest, 55 Forest Manor Rd.
  • Smithfield Park, 175 Mount Olive Dr.
  • Sunnyside Park/Gus Ryder Pool, 1755 Lake Shore Blvd. W.


The national weather agency said a cold front is expected to move in by the afternoon.

The highs for Thursday and Friday will be in the low 20s.