Most people who live in Williston can recite the summer rhythm without checking a phone. Thursday evenings belong to the concert series downtown. Saturday mornings belong to the market on Main. Between those two anchors, the season more or less writes itself.
That is the calendar the town uses on autopilot. There is a second one running in parallel, and it is the reason a lot of residents feel like they have already "done" summer by the middle of July when they have really only worked half of it.
The default rhythm, briefly
The two downtown anchors are easy to name and worth naming clearly, because everything else in this post is defined against them.
Summer Nights on Main runs