The forecasted high for Friday is just a bit short of the historic record for Sudbury, according to Environment Canada.
The high for Friday is 30.7 C, just a few degrees short of the highest temperature ever recorded at the Sudbury Airport, when the temperature reached 33.3 C in 2001.
The average high for July 22 is 25.1 C and the average low is 13.6 C.
The lowest temperature ever recorded at the Sudbury Airport on this day was 7.3 C in 1981.