Dark Sky is an app that predicts the weather using location to figure out when itâ€™s going to precipitate in the immediate future. It is meant to forecast the weather for a given location up to an hour in advance.
The Dark Sky API allows users to query for short-term precipitation forecast data at geographical points inside the United States. It can provide an hourly forecast, forecasts for a collection of points and a list of interesting storms currently happening. The API uses RESTful calls and responses are formatted in JSON.