NYC Weather: 100-Degree Heat Index Looms As 'Bermuda High' Moves In

NEW YORK CITY — Better include "air conditioning" and "cooling dips in the water" in your plans this week, New Yorkers — a scorcher is heading your way.

The heat index is expected to crack 100 degrees Thursday and Friday as a "Bermuda High" pressure system moves over the city, according to the National Weather Service's New York office.

"Bermuda High Pressure will establish itself mid to late this week, setting up a significant warming trend," the office tweeted.

Bermuda High Pressure will establish itself mid to late this week, setting up a significant warming trend. Temperatures and humidity levels will be on the rise. More of local region is forecast to get into the 90s for highs. LaGuardia area forecast shown here.#NYwx #NJwx #CTwx pic.twitter.com/2e325aWsjS
— NWS New York NY (@NWSNewYorkNY) July 23, 2023

The warming trend in question will see the mercury start at roughly 82 degrees Monday and inch up every day this week, according to the forecast.

Highs will crack 90 degrees by Wednesday or Thursday, forecasters said.

The heat index is expected to hit 100 degrees Thursday and 101 degrees Friday, according to the National Weather Service's tweet.

Here's the complete National Weather Service forecast for New York City, although note that predicted temperatures could be higher or lower depending on location within the city.

Monday Afternoon
A 20 percent chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 82. South wind around 11 mph.

Monday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 73. South wind 5 to 8 mph. Chance of precipitation is 20%.

Tuesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 20%.

Tuesday Night
Partly cloudy, with a low around 74. South wind 6 to 8 mph becoming west after midnight.

Wednesday
Sunny, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the morning.

Wednesday Night
Mostly clear, with a low around 77.

Thursday
Mostly sunny, with a high near 93.

Thursday Night
Partly cloudy, with a low around 77.

Friday
Mostly sunny, with a high near 95.

Friday Night
A chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

Saturday
Partly sunny, with a high near 90.

Saturday Night
Partly cloudy, with a low around 75.

Sunday
Mostly sunny, with a high near 91.