The following information is directly from the National Weather Service's Philadelphia/Mount Holly, PA/NJ as of July 3 at 7:30 p.m.:
Thursday, July 3 A chance of showers and thunderstorms, mainly after 1 p.m. Mostly cloudy, with a high near 86. Light and variable wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday night, July 3: Showers and thunderstorms, mainly after 10 p.m. Some of the storms could produce gusty winds and heavy rain. Low around 71. South wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday, July 4 Independence Day Showers likely. Mostly cloudy, with a high near 82. North wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday night, July 4 Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 14 to 17 mph.
Saturday Sunny, with a high near 83. Northwest wind 10 to 13 mph.
Saturday Night Mostly clear, with a low around 62.