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Heatwave hits NYC as 100 degree weather expected for the first time in 12 years

NY Post Published Jul 1, 2026 Reviewed Jul 3, 2026 ✓ Reviewed by citations.press editors
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New York City is experiencing its first 100-degree heat since 2012, with temperatures forecasted to reach 100 degrees later this week.
100 degrees · temperature
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The last time Central Park hit 100 degrees was on July 18, 2012.
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Wednesday’s temperature reached 94 degrees.
94 degrees · temperature
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Thursday and Friday are forecasted to reach highs of 100 degrees, with heat index values near 110 degrees due to humidity.
100 degrees · temperatureabout 110 degrees · heat index
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The heatwave is expected to last four days, with Thursday and Friday reaching 100 degrees.
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Saturday’s high is expected to be 95 degrees, with a 55% chance of heavy thunderstorms in the afternoon.
95 degrees · temperature55 % · probability of rain
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Sunday’s high is expected to be 90 degrees, marking the last day of the heatwave.
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Mayor Zohran Mamdani declared a heat emergency and launched a cooling outreach program using LINK NYC kiosks.
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Gov. Kathy Hochul said the state is monitoring the heat wave and coordinating cooling centers and electrical grid efforts.
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Get ready for some hot times in the city.

New York City’s intense heatwave officially began as temps hit the mid 90s Wednesday — and forecasters say the Big Apple is on its way to a possible 100 degrees for the first time since 2012 later this week.

The roasting temperatures are expected to last over the next four days, with Thursday and Friday potentially hitting highs of 100 degrees, according to AccuWeather.

The last time Central Park hit 100 degrees was on July 18, 2012, which tied for the hottest day in the city since 1966, AccuWeather senior meteorologist Carl Erickson told The Post.

Wednesday the temperature reached 94 degrees, with the surge expected to create potential thunderstorms in the evening.

Temperatures are expected to hit a high of 100 degrees on Thursday, with the humidity and weather conditions making it feel closer to 110 degrees, Erickson said.

The same conditions are expected to persist into Friday, with the extreme heat and humidity once again threatening thunderstorms in the night.

“If you have to be out tomorrow and Friday, make sure to take breaks in the shade and drink plenty of water and electrolytes,” Erickson said. “Limit your time outside to before 10 a.m. and after 4 p.m., when the heat is expected to be at its worst.”

Because of the high humidity, New Yorkers shouldn’t expect any relief at night, with the suffocating conditions expected to make for a “miserable time,” Erikson added.

The heat is expected to drop slightly on Saturday with a high of 95, but the conditions are expected to create heavy thunderstorms in the afternoon, with the probability of rain at 55%, threatening the July 4 weekend.

Sunday would be the last day of the heatwave with highs of 90 degrees, with storms forecasted to bring temperatures back down to normal by Monday.

Mayor Zohran Mamdani has declared a heat emergency due to the weather and launched a cooling outreach program where LINK NYC kiosks will direct New Yorkers to the nearest cooling centers for relief.

“The single most important thing you can do in these temperatures is to stay indoors with air conditioning,” Mamdani said in a news conference.

“If you can avoid going outside during the hottest hours of the day, please do so,” the mayor added.

The National Weather Service has issued an extreme heat watch from noon Wednesday through 9 p.m. Friday in New York City, the Lower Hudson Valley, Long Island, northern New Jersey and western Connecticut.

Gov. Kathy Hochul said the state is also closely monitoring the heat wave and coordinating efforts involving cooling centers while monitoring the state’s electrical grid.

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