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Boston mayor declares heat emergency as temps approach triple digits

Suffolk County is under a Heat Advisory, and the temperature could feel like it’s over 100°.

Boston skyline + people on a dock in the water

Make plans to stay cool during this stretch of heat.

Photo via @cityofboston

Think cool thoughts — a heat wave is expected to descend on Boston Tuesday, June 18, and last through Friday, June 21, bringing excessive, potentially record-breaking temperatures and humidity.

The National Weather Service issued a Heat Advisory in Suffolk County that begins at 12 p.m. Tuesday, June 18 and lasts through 7 p.m. Friday, June 21. During the advisory, the heat index value — the way humidity + temperatures feel on the body — could exceed 100°.

In response to the anticipated heat, Mayor Michelle Wu declared a “heat emergency” through Thursday, encouraging locals to take precautions to stay safe.

  • The Boston Center for Youth and Families will operate 14 Cooling Centers throughout the city.
  • Boston Public Libraries will be open for locals trying to escape the heat — though they will close on Wednesday, June 19 to observe Juneteenth.
  • The city has provided information for residents to prepare for the weather and to address emergency situations.
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