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 …

A specialized agency of the United Nations whose mandate covers weather, climate and water resources. The UN’s scientific voice on the state and behaviour of our atmosphere and climate.

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

Feb 24, 2026 · 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 …

New initiatives launched to address extreme heat in South Asia WMO supports Members in mapping national renewable energy resources Central Africa calls for greater coordination on early warnings …

Our Mandate WMO facilitates the advancement of Earth system sciences – meteorological, climatological, hydrological and environmental sciences – for a safer, better future for all.

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. …

WMO supports Members in mapping national renewable energy resources Project update 16 February 2026

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 …