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 …

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

参与2026年世界气象日行动 Severe Weather Information Centre The Centre enhances the availability of authoritative warnings for extreme and/or potentially high-impact weather, water and climate events …

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 …

Jobs at WMO Looking for a meaningful career in meteorology, hydrology or geophysical sciences? At the World Meteorological Organization (WMO), we are always looking for passionate professionals …

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

Greenhouse Gas concentrations hit record high. Again. Geneva, 15 November (WMO) - The abundance of heat-trapping greenhouse gases in the atmosphere once again reached a new record last year …

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 …