BOSTON – Sunday, August 10, 2025 – Mayor Michelle Wu today issued a heat emergency for the City of Boston beginning tomorrow, Monday, August 11 through Wednesday, August 13 due to the current weather forecasts. The heat index for this period of time is forecasted to range from 95 degrees to 96 degrees. The threshold for a heat emergency in the City of Boston is two or more days with a heat index of 95 degrees.

“Our top priority is ensuring our residents and families are healthy and safe during this period of intense heat,” said Mayor Michelle Wu. “As temperatures continue to rise, the City is here to support residents in every way possible across every neighborhood. We encourage all of our community members to please take care of yourselves, check on your neighbors, and be prepared to sta

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