This UML class diagram shows the online weather forecasting system. It includes classes like weather station, forecast, and user. It collects data like temperature and humidity. It also generates predictions. Users can view forecasts and get alerts. Admins manage the data and notifications. This system gives accurate weather updates. It helps users plan activities with reliable weather information. The UML class diagram for online weather forecasting highlights data accuracy and user access. It assists in the efficient management of the online weather forecasting system.