India Meteorological Department - The country's national meteorological organisation. Information about weather, rainfall, earthquakes around the Indian sub-continent region.
BBC Weather Centre - Country Guides: India - Provides climate and weather information, facts and statistics about the country, along with five-day forecasts for major cities..
City Weather - Clickable map, shows four day forecasts for a number of cities across the country..
Indian Monsoon Data - Contains technical meteorological information, including maps and historic data. Also some data for the rest of the subcontinent..
NOAA NWS - India Weather - US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country..
Weather Underground: India - Temperature map for the country, also with temperature, pressure, humidity, and air conditions for a number of locations..