Showers Friday night dissipate by Saturday morning. Skies become partly sunny on Saturday but a southeasterly flow keeps temperatures on the cool side. High temperatures around 62. Becoming cloudy towards evening.
A warm front approaches from the southwest Saturday night with showers early, then rain developing late. Sunday morning, rain continues, but skies brighten early afternoon as the warm front passes. High 64. Rain redevelops later Sunday afternoon into the evening, as a low pressure system moves towards us.
Saturday evening update: Tonight’s models depict a solid area of light to moderate rain over PHL during Sunday morning . QPF values about 0.25 inches during the period 8am to 2pm. Actual rainfall amounts may be higher if convective precip develops.
That said, the models are not accurately capturing the early arrival of the rain tonight, so maybe tomorrow’s modeling won’t be accurate either.