(WTXF/AP) - The National Weather Service has issued a Heat Advisory for Thursday because it expects triple-digit heat index in the afternoon.
In Philadelphia, the record high for Sept. 8 (Thursday) is 96 degrees, set in 1939.
The record high for Sept. 9 (Friday) is 94 degrees, set in 1884, and FOX 29's Sue Serio predicts that's the one we have the best chance of tying or breaking.
Also, the record high for Sept. 10 (Saturday) is 97 degrees, set in 1983.
Earlier, forecasters urged small vessels to avoid New Jersey's coast as the remnants of Hermine swirl in the Atlantic.
The National Weather Service had a small craft advisory in place off the New Jersey coast until noon Wednesday.
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The National Hurricane Center issued its last advisory on what's left of Hermine at 2pm Tuesday.
The storm weakened but lingered in the Atlantic, and could continue to affect coastal areas of southern New England with high surf and dangerous riptides for another two days.