Boston is experiencing a heatwave, with the National Weather Service (NWS) issuing an Extreme Heat Warning in effect until 8 PM EDT tomorrow. The warning cites “Dangerously hot conditions with heat index values up to 110 expected.” The National Weather Service advises residents to stay hydrated, seek air-conditioned spaces, and check on others.
According to National Weather Service, Boston will be mostly sunny today with a high near 89°F. On Tuesday, temperatures are forecasted to rise significantly to a high near 103°F. Overnight lows will stay around 74°F, maintaining warm and humid conditions.
NBC Boston reports that Monday begins warm and muggy, with inland highs in the mid-90s and coastal areas in the upper 80s. Heat index values may reach the triple digits. Tuesday's forecasted high of 99°F could tie the city's previous record set in 2013 and may be the hottest day since July 2022.
By Wednesday, forecasters expect slightly cooler conditions, especially near the coast due to an onshore breeze. There is a slight chance of showers after 2 PM, with a high near 90°F. A further temperature drop is expected Thursday, with highs in the 70s and rain chances continuing through the weekend.
