Temperature forecasting and rain forecasting in today's environment is
playing a major role in many fields like transportation, tour planning and
agriculture. The purpose of this paper is to provide a real time forecasting to
the user according to their current position and requirement. The simplest
method of forecasting the weather, persistence, relies upon today's conditions
to forecast the conditions tomorrow i.e. analyzing historical data for
predicting future weather conditions. The weather data used for the DM research
include daily temperature, daily pressure and monthly rainfall.