Will this stay stuck on a window that opens and is at the effect of constant wind gusts?

Once the static films are totally dried from the install process, they will normally stay put without an issue unless you peel it up at the corner. If you want to be sure it will never fall off, we have an adhesive version of the same film. It would still be fully removable when the time came to take it down. https://www.decorativefilm.com/solyx-sxwf-wo-whiteout-36-60-72-wide