The models keep it dry in Philadelphia until late afternoon or early evening Sunday. But it will be a close call with a sharp precip cutoff. A model error could kill this forecast.
Saturday will be partly sunny and windy. High 72.
Sunday will be cloudy and windy with showers possible late afternoon or evening. High 70.
Still a low confidence forecast for Sunday.
Latest models show that the blocking high pressure will increase and further block the northward movement of moisture. Sunday will stay dry with even some sunshine in the afternoon. High 72