WeatherStar (sometimes rendered Weather Star or WeatherSTAR; "STAR" being an acronym for Satellite Transponder Addressable Receiver) refers to the technology used by American cable and satellite television network The Weather Channel (TWC) to generate its local forecast segments (currently known under the brand Local on the 8s) on cable and IPTV systems nationwide. The hardware takes the form of a computerized unit installed at a cable system's headend. It receives, generates, and inserts local forecast and other weather information, including weather advisories and warnings, into TWC's national programming.

WeatherStar (sometimes rendered Weather Star or WeatherSTAR; "STAR" being an acronym for Satellite Transponder Addressable Receiver) refers to the technology used by American cable and satellite television network The Weather Channel (TWC) to generate its local forecast segments (currently known under the brand Local on the 8s) on cable and IPTV systems nationwide. The hardware takes the form of a computerized unit installed at a cable system's headend. It receives, generates, and inserts local forecast and other weather information, including weather advisories and warnings, into TWC's national programming.