PWS may refer to:
Technology Personal weather station Personal web server, hardware and software used to run a web server on a desktop computer Microsoft Personal Web Server, software for Windows operating systems Present weather sensor, a device that detects and measures precipitation Pressure wave supercharger, a type of super-charger Progressive Web Site, a web authoring framework incorporating HTML5, CSS, and JavaScript Public Warning System, used for alerting the public to events such as disasters
Other uses Palestine Wildlife Society Performance work statement, summarizing the work element of a contract Podlaska Wytwórnia Samolotów, a Polish aircraft manufacturer Prader–Willi syndrome, a genetic disorder Purwosari railway station in Indonesia (station code PWS) Tasmania Parks and Wildlife Service Winston Smith Project (Italian:Progetto Winston Smith), a human rights project