Preliminarily, this is the hottest weekend ever recorded in Boston
— Eric Fisher (@ericfisher) July 21, 2019
But, hinges on the low. Was 83F this am. If it falls below that before 1am the standing changes
The 83F would tie warmest low ever recorded, and also first time on record with 2 80F+ lows in a year https://t.co/NjNOqo57NE