High pressure moves offshore on Sunday, allowing a strong cold front to approach from the west. The day will start dry and mild under increasing clouds, with highs reaching the 70s and dew points climbing into the 60s.
CBS News Philadelphia
It will feel noticeably more humid and breezy by afternoon, with gusts near 30 mph possible. Showers are expected to hold off until late Sunday night as the front moves closer.
Bottom line: rain is likely to move in by bedtime and move out by the early commute on Monday.
CBS News Philadelphia
The front sweeps through overnight into Monday morning, bringing a period of rain and a few gusty showers or isolated storms. Instability looks limited, but a few stronger wind gusts could mix down with heavier showers.
Rainfall totals between a quarter inch