I'm looking for things to do in the evenings and on weekends through end of July 2018. Are there any vintage auto or Porsche related events going on?

Check the Maverick Region PCA website. http://mav.pca.org They have a schedule of local events there.

Also, there is "Motoring Mavs at Mayo's" next Saturday. It is held once a month and it brings out a crowd every time. You get to chat with a lot of local Porsche experts, including Ed Mayo. He is the PCA tech rep for early 911 and 914s.