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IMD provides a crucial service to the national and international civil aviation sector in fulfillment of the requirements prescribed by the International Civil Aviation Organisation (ICAO) and the Director General of Civil Aviation of India (DGCA).

These services are provided through 17 Aerodrome Meteorological Offices (AMO) and 51 Aeronautical Meteorological Stations (AMS) located at various national and international airports of the country. These offices provide forecasts of winds and temperature required for flight planning, prognostic weather charts, forecasts for aerodrome weather for landings and take-offs, and other significant weather information for aviation operations.

Aerodrome Meteorological Offices functioning at Mumbai , Kolkata , Delhi and Chennai airports also serve as Meteorological Watch Offices (MWOs) catering to flights in respective Flight Information Regions (FIR). One Tropical Cyclone Advisory Centre (TCAC) is also functioning at New Delhi. TCAC, New Delhi provides advisory information on tropical cyclones to the Meteorological Watch Offices in India and neighbouring countries.

World Area Forecast System (WAFS) products are being utilised for briefing all the international flights. It is a worldwide system by which World Area Forecast Centers (WAFC) provide aeronautical meteorological en-route forecasts in uniform standard formats.

On-line Briefing System (OLBS) of IMD is also functioning at the international airports at Chennai, Kolkata, Mumbai and New Delhi, through which the registered users can directly download the forecast products as desired.