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Meteorological Service of Canada open data user documentation

The Meteorological Service of Canada makes weather, climate, water and environmental data available to private sector, academics, and the general public.

Available open data

The available open data from the Meteorological Service of Canada provides up-to-date information on past, present and future weather, water, climate and environmental conditions over Canada and the world. The main categories of data available are:

Data access

Access to open data available on the MSC Datamart and MSC GeoMet services is anonymous and free of charge. The available open data services are:

Usage overview

Overview and examples on how to access and use Meteorological Service of Canada's open data.

Data discovery and metadata

The Meteorological Service of Canada's metadata is available on the Canadian Open Government portal, enabling users to search open data that is relevant to Canadians, learn how to work with datasets, and see what people have done with open data across the country.


Series of events organized around MSC open data.


The End-use Licence determines the conditions for using the data and information. The main requirement is to clearly acknowledge Environment and Climate Change Canada as the data source, please refer to the Licence for details.

Contact us

User support is provided on a best effort basis during normal business hours. Users requesting support are invited to contact us.

For suggestions and improvements to the documentation itself, either contact us or open an issue.