Weather Forecasting App is a based-on web application that provide the exact the weather data of user’s location. In the proposed web application, there are many parameters used like humidity, wind pressure, wind speed, temperature, sunrise and sunset of and area. In this we can give exact location of a hilly area and forestry area. In this web app we have used API in JavaScript to fetch all the weather’s parameters data. In the proposed app open weather map API being use to fetch the weather data for the user’s location.