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 website presents OFFICIAL weather observations, weather forecasts and climatological information for selected cities supplied by National Meteorological & …

世界气象组织是联合国系统中负责天气、气候和水资源事务的权威机构，致力于促进全球合作与可持续发展。

Dec 4, 2024 · Weather is the state of the atmosphere at a particular time, as defined by the various meteorological elements, including temperature, precipitation, atmospheric pressure, …

World Meteorological Day 2025 Climate change is a real and undeniable threat to our entire civilization. The effects are already visible and will be catastrophic unless we act now. The …

Mar 24, 2025 · Celebrations of the World Meteorological Day will take place worldwide, with events organized by NMHSs on the theme “Closing the early warning gap together”. At WMO …

As weather, climate and the water cycle know no national boundaries, international cooperation at a global scale is essential to implement an Earth system approach for the development of …

This is the warmest year in the 175-year observational record. The State of the Global Climate 2024 report underlined the massive economic and social upheavals from extreme weather and …

The World Meteorological Organization is committed to facilitating free and unrestricted exchange of meteorological and related data and information, products and services (see for example, …

The World Meteorological Organization celebrates 75 years as a specialized agency of the United Nations in 2025, turning science into action for the global good. The enactment of the WMO …