Boston recorded its first official heat wave of 2025 and hit 101 degrees today, as extreme weather set new temperature records in the city.It wasn't just a record-setting day, it was a record-smashing day.

The thermometer at Boston Logan International Airport showed 100 degrees as of 2 p.m. Tuesday, according to the National Weather Service’s Boston office. The 100-degree reading ties the record for the hottest ever June temp in city history. It also hit 100 degrees in June 2021, 1952, and 1925.

With humidity, temperatures will feel like 100 to 110 degrees on Monday and Tuesday, the National Weather Service warned.