The World Meteorological Organization is the UN's voice on weather, climate, and water resources, providing scientific insights into our atmosphere and climate behavior.

Overview WMO is the United Nations system's authoritative voice on the state and behaviour of the Earth's atmosphere, its interaction with the land and oceans, the weather and climate it produces and …

Knowledge Hub Explore the new Knowledge Hub: the scientific core of the WMO Community. A central place for WMO Members, partners and experts to find technical information, resources and updates. …

Dec 22, 2025 · WMO publishes the Global and Regional State of the Climate reports, the State of Climate Services reports, is involved in leadership capacity in the Global Framework for Climate …

Our Mandate We advance meteorological science for a better future for all. WMO provides the framework for international cooperation to advance meteorological, climatological, hydrological, and …

让我们确保地球相关信息不仅被收集起来，更能为所有人所理解、获取并付诸实践。 WMO秘书长席列斯特·绍罗（Celeste Saulo）教授

This global web site presents OFFICIAL weather forecasts and climatological information for selected cities supplied by National Meteorological & Hydrological Services worldwide

Nov 6, 2025 · WMO and the United Nations Environment Programme jointly set up the I ntergovernmental Panel on Climate Change (IPCC) in 1988 to provide governments at all levels with …

WMO Members work together to improve the accuracy and reliability of weather forecasts, warnings, and services to protect life and property. They also collaborate on research and development of …

All Activities WMO’s work involves a wide variety of activities and services, spanning from research to delivery of weather-, climate-, and water-related services.