The large frontal system is going to be coming through over the weekend bringing rain and colder temperatures. The temperatures will be dropping from the mid 70's in front of the front to the lower 50's. There is also a tropical system moving north from the Caribbean, with different models forecasting it to move from along the east coast and out, others have it moving on to land and being absorbed by the frontal system.
The colder temperatures seem to linger around for a while once this system moves out, due to the trough in the area pushing the cold air down.
The top graphic is the forecast for the front system on Friday early morning. The bottom graphic is the forecast for the frontal system on Saturday early morning.
Today's long-range forecast graphic was produced by Bryce Westfall.