A warm front moves over the area and stalls just to our north on Saturday, giving us cloudy skies and milder temperatures . High about 49. (Average high is 42 for this time of year.)
The warm front hangs to our north on Sunday because the jet stream flattens and runs parallel to the front. A wave of low pressure develops on the stalled front and moves east over Pennsylvania, giving us clouds and rain on Sunday. An easterly flow will keep temps cooler on Sunday, with a high of 45.
The low intensifies rapidly off the New England coast on Monday giving us very windy conditions.