WeatherAlpha LLC | 109 followers on LinkedIn. WeatherAlpha is a leading provider of premium weather, health, and pollen data in the digital advertising space. | WeatherAlpha has been the premier provider of customized weather targeting solutions across the digital ecosystem since 2010. Our data platform is a one-stop-shop for a wide range of past, current and forecast weather conditions; as well as pollen counts, air quality, UV index, and cold/flu outbreaks. We have deep experience within many industries, and our team of experts can create customized data sets based your goals and messaging.