The National Weather Service issued a heat advisory at 2:06 a.m. on Monday valid for Tuesday between 10 a.m. and 8 p.m. for ...

Philadelphia forecast: sunny, high near 89°F today, clear night, low 68°F. Similar sunny Sunday, high near 91°F.

NWS Philadelphia predicts sunny today with a high near 91, but a rainy start to the week with thunderstorms likely.