BOSTON (WHDH) - Boston hit 90 degrees for the third straight day Sunday morning, making it an official heatwave.

The City of Boston has declared a heat emergency with temperatures expected to top 90 degrees this weekend.

Mayor Marty Walsh announced Friday that the emergency will go into effect on Saturday.

Air-conditioned community centers will be open across the city and 18 pools are available for swimming, officials said. For community center locations and heat safety tips, click here.

Meteorologist Bri Eggers said in her Friday forecast that temperatures could reach 95 degrees on Saturday. Temperatures are forecast to linger in the 90s through July 4.

An excessive heat watch has been issued for points inland for Sunday and Monday with possible “real feel” temperatures of 105 degrees.

For more, visit the 7Weather page.

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