Weather forecast is useful to protect life, property and efficiency of agricultural operations. "Real Time Weather Forecast for Kerala AEZ" provides the weather information of next three days for the agro ecological units of all districts in Kerala State. Agro-ecological unit is the region encompassing relatively homogeneous area in terms of soil, climate and physiography and conducive moisture availabilty periods which will help in planning of appropriate land use such as crop diversification, agricutural research and agro-technology. Kaalavastha portal presents daily weather forecast of temperature, humidity, wind speed and direction, rainfall and chance of rainfall for all the Agro ecological zones of Kerala viz. Coastal Plains, Midland laterites, Foot hills, High hills, Palakkad plains etc.