Heat relief to come to Boston, NYC, DC by midweek

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Northeast Regional Weather Forecast

The I-95 corridor of the Northeast and mid-Atlantic will have to deal with more sizzling heat to start the new week, but extended relief will come by midweek.

In the wake of thunderstorms bringing the weekend to an end across the Northeast, a warm west wind will once again boost temperatures along the I-95 corridor on Monday.

Temperatures will soar into the 90s northward to Portsmouth, New Hampshire, causing Monday to be the hottest day so far this year there, in Boston and the other I-95 cities of central and southern New England.

Even temperatures in New York City will rival Sunday's high for the highest yet in 2015.

High humidity will once again send AccuWeather RealFeel® temperatures dangerously past the triple-digit mark in Washington, D.C., Philadelphia and New York City.

Residents and visitors are urged to drink plenty of water, stay in cool locations and avoid strenuous activities, especially during the midday and afternoon hours.

"It is very easy to be overcome by the heat this time of the year," stated AccuWeather Senior Meteorologist Alex Sosnowski. "If you must work outdoors, be sure to take frequent breaks and increase your intake of water and electrolyte balancing fluids."

See photos from the heatwave:

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East coast heatwave
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Heat relief to come to Boston, NYC, DC by midweek
NEW YORK, NY - AUGUST 17: People relax on a hot afternoon at the Astoria Pool in the borough of Queens on August 17, 2015 in New York City. The main pool, the biggest in New York City and administered by the New York City Department of Parks and Recreation, sees over 3,000 people on a typical summer weekday. New York city is in the middle of a heat wave, with temperatures in the high nineties and with a heat factor making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 20: A woman uses a sun umbrella along the boardwalk at Brighton Beach in Brooklyn on August 20, 2015 in New York City. The National Oceanic and Atmospheric Administration (NOAA) announced on Thursday that July was the planet's warmest month on record. July's average temperature was 61.86 degrees Fahrenheit, beating the previous global mark set in 1998 and 2010 by about one-seventh of a degree. NOAA began keeping records in1880. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 21: A man stands in the water on a sultry morning at Coney Island in Brooklyn on July 21, 2015 in New York City. Despite an overcast sky, thousands of New Yorkers headed to area beaches to cool off from the heat and humidity. The hot weather is expected to break tomorrow with temperatures expected only in the 80's. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 17: A child waits to get into the Astoria Pool in the borough of Queens on August 17, 2015 in New York City. The main pool, the biggest in New York City and administered by the New York City Department of Parks and Recreation, sees over 3,000 people on a typical summer weekday. New York city is in the middle of a heat wave, with temperatures in the high nineties and with a heat factor making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 17: People enjoy a hot afternoon at the Astoria Pool in the borough of Queens on August 17, 2015 in New York City. The main pool, the biggest in New York City and administered by the New York City Department of Parks and Recreation, sees over 3,000 people on a typical summer weekday. New York city is in the middle of a heat wave, with temperatures in the high nineties and with a heat factor making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 21: Life guards do their daily exercises on a sultry morning at Coney Island in Brooklyn on July 21, 2015 in New York City. Despite an overcast sky, thousands of New Yorkers headed to area beaches to cool off from the heat and humidity. The hot weather is expected to break tomorrow with temperatures expected only in the 80's. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 28: A woman sits in a line for ice cream along the East River in Brooklyn on a sweltering hot afternoon on July 28, 2015 in New York City. With temperatures in the 90's and the heat index feeling over 100 degrees, New Yorkers of all ages have been flocking to pools, beaches and air conditioned rooms to try and stay cool. More hot and humid days are forecast for the remainder of the week. (Photo by Spencer Platt/Getty Images)
People enjoy a warm day at the Astoria Park Pool in New York on August 16, 2015. At 330 feet in length, the Astoria Park Pool is the largest in New York City and one of the largest swimming facilities in the United States. AFP PHOTO / KENA BETANCUR (Photo credit should read KENA BETANCUR/AFP/Getty Images)
NEW YORK, NY - JULY 21: A man looks out at the Verrazano Bridge from a pedestrian promanade on a sultry morning in Brooklyn on July 21, 2015 in New York City. Despite an overcast sky, thousands of New Yorkers headed to area Parks and beaches to cool off from the heat and humidity. The hot weather is expected to break tomorrow with temperatures expected only in the 80's. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 20: A woman cools off in the shade at Brighton Beach in Brooklyn on August 20, 2015 in New York City. The National Oceanic and Atmospheric Administration (NOAA) announced on Thursday that July was the planet's warmest month on record. July's average temperature was 61.86 degrees Fahrenheit, beating the previous global mark set in 1998 and 2010 by about one-seventh of a degree. NOAA began keeping records in1880. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 20: A man who goes by Ricky Obama tries to keep cool in the heat at Brighton Beach in Brooklyn on August 20, 2015 in New York City. The National Oceanic and Atmospheric Administration (NOAA) announced on Thursday that July was the planet's warmest month on record. July's average temperature was 61.86 degrees Fahrenheit, beating the previous global mark set in 1998 and 2010 by about one-seventh of a degree. NOAA began keeping records in1880. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 20: Empty water containers are viewed in the trash at Brighton Beach in Brooklyn on August 20, 2015 in New York City. The National Oceanic and Atmospheric Administration (NOAA) announced on Thursday that July was the planet's warmest month on record. July's average temperature was 61.86 degrees Fahrenheit, beating the previous global mark set in 1998 and 2010 by about one-seventh of a degree. NOAA began keeping records in1880. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - AUGUST 20: A man uses a sun umbrella along the boardwalk at Brighton Beach in Brooklyn on August 20, 2015 in New York City. The National Oceanic and Atmospheric Administration (NOAA) announced on Thursday that July was the planet's warmest month on record. July's average temperature was 61.86 degrees Fahrenheit, beating the previous global mark set in 1998 and 2010 by about one-seventh of a degree. NOAA began keeping records in1880. (Photo by Spencer Platt/Getty Images)
Beathau Wazaninka, right, sits next to her daughter Ariella as she fans herself at the Marcy Avenue subway stop during a hot weather advisory, Monday July 20, 2015 in New York. Amid today's scorching weather, the state environmental department has issued an air quality health advisory for the New York City area until 10 p.m. (AP Photo/Bryan R. Smith)
NEW YORK, NY - JULY 20: Bottles of water sit for sale at a street vendor on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: People line-up for ice cream in Manhattan on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: A woman holds an umbrella on a Manhattan street on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: A woman carries a tired child along a Manhattan street on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: People sit on the steps of the James A. Farley Post Office Building on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: People wear shorts and other light clothing as they walk on a Manhattan street on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: People line-up for ice cream in Manhattan on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: People rest in the shade along a Manhattan street on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: A woman holds a sun umbrella in Manhattan on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - JULY 20: A woman holds an umbrella on a Manhattan street on one of the hottest days of the summer on July 20, 2015 in New York City. More than 20,000 homes and businesses in and around New York City have lost power as the electric network has been stressed due to the intense heat. New York and much of the East Coast has experienced temperatures in 90's for the past few days with the humidity making it feel over 100 degrees. (Photo by Spencer Platt/Getty Images)
Children play in the Salmon Street Springs fountain in Portland, Ore., Wednesday, July 1, 2015. A heat advisory is in effect for Portland from noon Wednesday to 8 p.m. Thursday, according to the national weather service. (AP Photo/Don Ryan)
Children play in the Salmon Street Springs fountain in Portland, Ore., Wednesday, July 1, 2015. A heat advisory is in effect for Portland from noon Wednesday to 8 p.m. Thursday, according to the national weather service. (AP Photo/Don Ryan)
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Across New England, temperatures will be soaring on Monday but humidity will be lowering.

Temperatures will drop a few for Tuesday as a cold front approaches and leads to more clouds, as well as spotty showers and thunderstorms in the mid-Atlantic and interior New England. Humidity will remain uncomfortable for most.

True relief from the heat will come after that front swings through by midweek.

"Some places are experiencing their hottest conditions of 2015 from the weekend into early this week, so the sharp frontal passage forecast to occur on Tuesday will bring welcomed relief," stated AccuWeather Meteorologist Ben Noll.

While the threat will be monitored, widespread severe weather is not expected to accompany Tuesday's cold front.

"The change in the weather will be quite noticeable on Wednesday across much of the Northeast as humidity lessens considerably, though a shower or two cannot be ruled out in northern New England," continued Noll.

High temperatures on Wednesday will also be back to more typical mid-July highs. Residents, especially in New England, may opt to give their air conditioners and fans a break.

It will actually be several days before those air conditioners and fans are needed again, according to Noll.

"The break from the excessive heat and humidity will probably linger into next weekend before another frontal boundary approaches," he stated.

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