Wilmington, DE – Intense heat and humidity are set to affect New Jersey, Delaware, and Pennsylvania through Thursday evening, with heat index values reaching up to 99°F.
A Heat Advisory is currently in effect for Camden, Gloucester, and surrounding areas, including Wilmington and Philadelphia, until 8 p.m. Thursday. This weather pattern brings dangerous conditions, and residents are urged to take immediate precautions to avoid heat-related illnesses.
Heat Advisory and Safety Warnings
According to the National Weather Service in Mount Holly, NJ, the combination of high temperatures and high humidity significantly increases the risk of heat exhaustion and heatstroke.
The advisory covers New Castle County (Delaware), Camden, Gloucester, and northwestern Burlington counties (New Jersey), as well as Delaware and Philadelphia counties in Pennsylvania.
Officials recommend staying hydrated, avoiding prolonged outdoor exposure, and seeking air-conditioned spaces to reduce the risk of heat-related health issues.
Juneteenth Weather: Hot and Humid with Showers Expected
The hottest conditions will hit on Juneteenth (Thursday), with a high of 93°F expected. Scattered showers and thunderstorms are likely to develop in the afternoon after 2 p.m., bringing brief periods of rain and potential lightning. These storms are expected to be followed by another round of showers and thunderstorms later in the evening, mainly before 11 p.m.
Weekend Outlook: More Heat and Sunshine
The heat will persist into the weekend, but Friday will provide some relief with sunny skies and a high of 88°F. Saturday will be mostly sunny as temperatures climb to 90°F, and Sunday will see the mercury rise to around 97°F, making it one of the hottest days of the year. Looking ahead, early next week will bring even higher temperatures, with a forecasted high of 98°F on Monday.
Five-Day Wilmington Forecast:
| Day | Weather Conditions | High Temperature | Low Temperature |
|---|---|---|---|
| Juneteenth (Thursday) | Sunny, then showers likely after 2 p.m. | 93°F | |
| Thursday Night | Showers and thunderstorms likely, mainly before 11 p.m. | 68°F | |
| Friday | Sunny | 88°F | |
| Saturday | Sunny | 90°F | |
| Sunday | Mostly sunny | 97°F |
Stay Safe in the Heat
With dangerous heat conditions continuing through the week, it’s important to stay vigilant about heat-related illnesses. Avoid outdoor activities during the hottest parts of the day, drink plenty of fluids, and stay in air-conditioned spaces when possible. Be sure to check on vulnerable neighbors, especially the elderly and those without air conditioning.
