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.

The World Meteorological Organization (WMO) is a specialized agency of the United Nations responsible for promoting international cooperation on atmospheric science, climatology, hydrology and geophysics. [2][3]

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 resulting distribution of water resources.

We advance meteorological science for a better future for all. WMO provides the framework for international cooperation to advance meteorological, climatological, hydrological, and related environmental services, to improve well-being of all.

Jun 5, 2024 · The latest forecast from the World Meteorological Organization (WMO) indicates that there is an 80 per cent likelihood that the world will see the annual average global temperature temporarily...

Jan 10, 2025 · Geneva (WMO – The World Meteorological Organization (WMO) has confirmed that 2024 is the warmest year on record, based on six international datasets.

Mar 19, 2024 · Records were once again broken for greenhouse gas levels, surface temperatures, ocean heat and acidification, sea level rise, ice cover and glacier retreat, a new global report issued by the UN...

Jan 12, 2024 · 2023 was the hottest year on record, globally. With the annual average global temperature fast approaching the critical threshold of 1.5°C above pre-industrial levels, last year officially smashed...

Jan 15, 2025 · World Meteorological Organization (WMO), specialized agency of the United Nations (UN) created to promote the establishment of a worldwide meteorological observation system, the application of meteorology to other fields, and the development of national meteorological services in less-developed

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