Weather data, research and learning
Historical weather data, climate trends, Sky Watchers, meteorology for classrooms.
Services and information
Historical climate data
Historical weather data, radar images, climate datasets
Climate cycles and trends
Bulletin of climate trends and variations
Top 10 weather stories
Canada's top ten weather stories
Climate change science, research and data
Modelling, analysis, scenarios, trends, variations, historical data, greenhouse gas and aerosols
El Niño
El Niño
La Niña
La Nina
Climate impacts and outlook
Gulf of Maine, Great Lakes and Saint-Lawrence, Alaska and northwestern Canada