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

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 the …

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.

Severe Weather Information Centre The Centre enhances the availability of authoritative warnings for extreme and/or potentially high-impact weather, water and climate events from WMO Members.

Mar 23, 2026 · WMO’s State of the Global Climate report 2025 confirms that 2015-2025 are the hottest 11-years on record, and that 2025 was the second or third hottest year on record, at about 1.43 °C …

Apr 8, 2026 · This global web site presents OFFICIAL weather forecasts and climatological information for selected cities supplied by National Meteorological & Hydrological Services worldwide

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. Browse content …

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

WMO has 193 Members, including 187 Member States and 6 Territories, maintaining their own meteorological services. Its main goal is to facilitate international cooperation in the development of …

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