Temperatures reached a spring-like 16 C, just breaking a heat record of 15.9 C that was set in 1998.
The average daily high temperature for Dec. 4 is around 3 C.
However, not everyone was enjoying the warmth — those who wished to ice skate were sure to be disappointed.
Last week, 10 of the city’s 51 outdoor rinks officially opened, including Nathan Philips Square at Toronto City Hall.
But after Tuesday's record-breaking temperatures, the rink is more slush than ice.
James Dann, a manager of Waterfront Parks, says although the rink in front of city hall is slushy, you will still see people determined to skate somehow.
"When we get up to 10, 12, 15 C, like we're having today with heavy rain, it makes [the rinks] unskateable pretty quickly," Dann said.
"When it becomes really unsafe, we will do everything we can to secure rinks to make them safe for the public."
Rinks weren't the only venues affected by the warm weather on Tuesday. Ski hills began making snow last week as well, although they are not open full-time yet.
The spring-like weather is just a part of the year's record highs. Environment Canada says every season this year has been milder than usual.