Marsala Petrosino, a village formerly part of Marsala, decided to become a self-governing town after a local referendum. The area of Marsala is classified as a seismic zone 2 (medium). In the last 200 years three earthquakes of medium-high intensity were recorded: Marsala has a hot-summer mediterranean climate (Köppen: "Csa"), similar to most coastal towns in Sicily, with hot and dry summers coupled with moderately wet and mild winters. Weather in Marsala is similar to that of nearby Trapani. Summers are generally warm with a record maximum temperature of in August 2017. In the summer, due to how dry it is,
Marsala Nuova () was rebuilt in 1790, and is located in the north-west of the town. The city council decided to demolish the city walls in 1887 to make way for the rapidly-expanding town. Along with this demolition was demolished the north-east gate called Porta Trapani, constructed in the early 17th century, nicknamed "Porticella" due to its small size in comparison to the other three gates of the town; it used to be located at the intersection of "Via Pellegrino" and "Via Sardegna". Based on the archaeological findings at Capo Boeo, Marsala has been rebuilt twice, one time in the 1st