Boston Hits 102 Degrees, Its Hottest June Day on Record
Logan International Airport, 1, Harborside Drive, East Boston, Boston, Suffolk County, Massachusetts, 02128, United States
National Weather Service
CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins86% CONFIDENCEOverall confidence: 86%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or betterStated as fact, per WBUR[1] (24 Jun 2025): "Hottest June day ever: Boston reached 102 degrees Tuesday" - Tuesday being 24 June 2025.
Logan Airport reached 102 degrees on 24 June 2025, beating Boston's 100-degree June record from 2021, 1952 and 1925, with a heat index near 110. It fell just 2 degrees short of the city's all-time high of 104, set on 4 July 1911.