Yes, there is parking at the venue.
Dressy Casual. Think a nice outfit that you feel fabulous in and are comfortable in for many hours (because the party will be for many hours ;) )
Great question. It seems we'd be looking at minimum temperatures of 40F (4C) and max of 65F (18 C). We are hoping for sunshine, but will have more details as the date gets closer! Layers are recommended!