Here’s how hot it could get in Boston next week in what may be the season’s first heat wave

Temperatures could reach the mid-to-high 90s on Wednesday and Thursday next week.

By Emily Spatz

2 minutes to read

If you thought the past few days have been hot, buckle up. Meteorologists predict that the first significant heat wave of the season is set to cover the northeast, including New England, possibly starting Tuesday. 

The National Weather Service (NWS) has issued a heat risk alert for the region starting early next week, warning of “potentially dangerous” temperatures that could break daily record highs. 

Things will start to heat up on Monday, then peak in the mid-to-upper 90s midweek. Overnight temperatures may dip only to the mid-70s.

NWS predicts a moderate risk of excessive heat lasting through June 21 in the northeast, and a slight risk of it carrying through June 26. 

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Wednesday and Thursday could be the hottest days next week, with temperatures rising to the mid-to-high 90s. The heat index, or how hot the weather actually feels, is expected to possibly break into the triple digits given the level of humidity, The Boston Globe reported. 

The heat wave would be the first in Boston since 2022, when temperatures climbed to 100 degrees in July. A heat wave for the northeast is marked by more than two consecutive days of over 90 degree weather.

Next week’s heat could break several daily high records in Boston, the Globe reported. 

According to the NWS, heat is one of the leading weather-related causes of death in the U.S. Young children, older adults, pregnant people, and people with chronic medical conditions are more susceptible to the effects of excessive heat. 

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Here are some tips to stay safe during excessive heat:

  • Never leave pets or children in a closed car
  • Avoid strenuous activity
  • Wear lightweight, loose, and light-covered clothing
  • Drink lots of water
  • Limit your time outside, especially during daylight hours
  • If you do not have air conditioning, stay on your lowest floor, out of the sun. Avoid using your stove and oven.

Look out for symptoms of heat-related illness. Here are some of them:

Heat exhaustion:

  • Dizziness
  • Thirst
  • Heavy sweating
  • Nausea
  • Weakness

If a person is experiencing heat exhaustion, move them to a cooler area, loosen their clothing, and offer cool water. 

Heat stroke:

  • Confusion
  • Dizziness
  • Unconsciousness 

If someone is experiencing a heat stroke, call 911. Then move the person to a cooler area, loosen clothing, and cool them with water or ice.

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