This makes it look like you shoul remember a warm jacket. Don't worry about the 50% chance of sunny skies, of course.
From the NOAA forecast:
Friday: Mostly cloudy, with a high near 57. Northeast wind between 7 and 9 mph.
Friday Night: A chance of showers and thunderstorms, mainly after 11pm. Cloudy, with a low around 42. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday: A chance of showers and thunderstorms. Cloudy, with a high near 52. Chance of precipitation is 50%.
Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Sunday: Mostly sunny, with a high near 57.
Sunday Night: Partly cloudy, with a low around 37.
Monday: Mostly sunny, with a high near 57.