Trenton, N.J. – Oppressive heat will blanket much of New Jersey through Wednesday night, with heat index values soaring as high as 106°F in Trenton, Philadelphia, and surrounding areas. The dangerous combination of extreme heat and humidity could be life-threatening, especially for vulnerable populations and outdoor workers.
According to the National Weather Service in Mount Holly, excessive heat warnings remain in effect across the region, including Mercer, Camden, Gloucester, and Burlington counties, through Wednesday evening. Temperatures will feel like 100° to 110°F in most urban centers, with little relief overnight as lows hover in the mid-70s to low 80s.
Major cities including Vineland (106°), Morristown (103°), and Toms River (103°) are at risk for heat-related illness. Bethany Beach and Cape May will also swelter with apparent temperatures near 95–99°. Scattered thunderstorms could develop this afternoon, bringing isolated damaging wind gusts.
Residents are urged to stay indoors during peak afternoon hours, hydrate frequently, and avoid strenuous outdoor activity. Cooling centers have opened in many counties, and local officials recommend checking on elderly neighbors and those without air conditioning.
Storm chances increase slightly through Thursday, with the heat gradually breaking late in the week. Additional advisories may be issued if conditions persist or intensify.