National Weather Service
Live Weather Camera in Philadelphia, PA. Extreme heat watch
Extreme Heat Watch issued June 28 at 3:57AM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ
Severe
Future
242 cameras
Active Until
Jul 5, 2026 00:00 UTC
Issued By
NWS Mount Holly NJ
Area
New Castle; Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
Alert Details
* WHAT...Dangerously hot conditions with heat index values up to 110
degrees possible during the daytime hours.
* WHERE...In Delaware, New Castle County. In New Jersey, Mercer,
Camden, Gloucester, and Northwestern Burlington Counties. In
Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower
Bucks, and Philadelphia Counties.
* WHEN...From Wednesday afternoon through Saturday evening. The
hottest conditions are forecast to occur Thursday through Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Very warm low temperatures in the mid 70s to
low 80s at night will not offer any relief from the heat. This
combined with multiple days of near record breaking temperatures
will exacerbate the impacts from the heat and humidity.
Recommended Action
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
If you do not have air conditioning in your home or lack shelter,
you can call 211 or visit your county or state health department
website for assistance locating appropriate shelter from the heat.