Over 75 technical partners met from September 10th-11th at the World Metalogical Organization's (WMO) headquarters in Geneva, Switzerland to discuss the integration of climate and health data. The meeting brought together funders and leading experts in health information systems, digital health, climate data, and climate-health research and policy, as well as representatives from health ministries. The purpose of the meeting was to advance the technical and policy agenda for the use of weather and climate information for health decision making, as outlined in the WHO-WMO Implementation Plan for Climate, Environment, and Health, the WHO resolution on Climate Change and Health, and the COP28 Health Declaration.