World Meteorological Day
- When23 March 2027
About World Meteorological Day
World Meteorological Day marks the founding of the World Meteorological Organization and celebrates the role of weather and climate science in protecting lives and livelihoods. Each year it adopts a theme highlighting a facet of meteorology and its importance to society.
The next World Meteorological Day is marked on 23 March by national weather services and the WMO around a chosen theme. It underscores the value of forecasting, early warnings and climate monitoring worldwide.
First held1961annual observance
Date23 MarchWMO founding
Bythe WMOUN weather agency
FocusWeather & climatescience for society
How to take part
Use the day to make weather and climate information easier to understand:
- Read or share a trusted weather, climate or early-warning explainer.
- Check how your local alert system works for storms, heat, floods or other hazards.
- Use the day in education or workplace communication to explain why forecasts and observations matter.
- Credit meteorological services and avoid reposting unsourced weather claims.