A retrograding low will bring increasing clouds, wind and rain to end the week. This low will be blocked from moving east until late Friday. High pressure will move in Saturday and should dry things out, and bring more sun. A weak cold front is forecast to pass through Sunday. Some rain will be possible with this frontal passage. Temperatures during this period should remain at or above normal for this period in the mid-50s.
Rest of today – increasing clouds with a low retrograding west towards the area. High temperatures in the mid-50s. Winds will pick up also as the pressure gradient builds between the retrograding low and high pressure to the west. Overnight lows should be around the mid-40s.
Friday – chances for rain, mostly in the morning hours, with high temperatures in the mid-50s under mostly cloudy skies. Rain chances will diminish as this low finally pulls off to the south. Overnight lows again in the mid-40s.
Weather Prediction center surface forecast for 2AM Friday 
GFS model 500 mb height, vorticity and wind forecast valid 10AM Thursday. Note the presence of the closed upper low offshore of the Northeast, with an omega blocking pattern over the eastern Atlantic (two lows, with a ridge in between, literally looks like the Greek letter for omega)
Saturday – as high pressure moves in, we’ll see a better day with partly to perhaps mostly sunny skies and high temperatures in the upper-50s. Overnight lows will be in the mid-40s.
Sunday – a weakening cold front may bring a chance for showers, but ahead of this, temperatures will be mild in the upper-50s. Overnight lows will warm into the mid-40s.