HEAT ALERT: Extreme Heat Watch issued for New York City

Temperatures will feel like as high as 110F during the heat wave that starts on Sunday. We will let you know how long the heat lasts and how hot it will get.

Alex Calamia

Jun 21, 2025, 10:59 AM

Updated 3 hr ago

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WHAT TO KNOW:
  • An EXTREME Heat Warning has been issued for the heat wave which starts on Sunday
  • Heat Index Values could be higher than 105F on Monday and Tuesday
  • A thunderstorm is possible Sunday morning, otherwise it is dry for most of this forecast
TODAY: Summer Feel
It's a nice day with highs in the mid to upper 80s. Humidity increases overnight with a stray PM shower.
SUNDAY: Heat Wave begins
A morning thunderstorm is possible. High temperatures will soar into the mid and upper 90s. It will feel like more than 100 degrees.
MONDAY: Record Heat Possible
Extreme Heat is likely. Heat Index Values could reach 110F with temperatures in the upper 90s.
TUESDAY: Another Record Hot Day Possible.
Extreme Heat is likely. Heat Index Values could reach 110F. Temperatures may approach 100F.
WEDNESDAY: Less Extreme Heat
Hot & mainly sunny. Highs in the low to mid 90s.
Rest of Week: More Seasonable.
Temperatures return to normal. Highs will be in the low 80s. Rain is not likely.