ByAllison Chinchar, CNN meteorologist

Updated 5:07 AM EDT, Sun May 22, 2022

CNN WeatherCNN—

More than 10 million people remain under a heat advisory for Sunday across the Northeast as record temperatures could be seen from Washington, DC, to New Hampshire.

“If highs reach the mid to upper 90s, this will be record highs for the day and the month!” the National Weather Service (NWS) office in Bostonsaid Friday.

The National Weather Service has forecast Boston could see a high temperature of 96 degrees Sunday. The daily record high for the day is 93 degrees, while the monthly record for May is 97 degrees, set back on May 26, 1880.

Summer outlook: Most of US will see above-average temperatures as Western drought continues

Boston records are kept at Logan International Airport, which is right on the ocean, so those temperatures tend to be milder than the…