To improve the abilities of meteorological archives management and social utilization, this paper proposes a method to construct the knowledge graph of meteorological records archives. With the meteorological records archives resources in Anhui Province, the ontology database is constructed by the design of conceptual layer and hierarchical relationship in a top-down way. A knowledge model is constructed based on the ontology database docking entity. Knowledge is extracted from archives in different storage formats with D2RQ, image recognition and custom wrapper for data layer construction. A synonym database is established to facilitate knowledge fusion. MySQL and Neo4j databases are employed for the storage of ontology database and entity database respectively, and an example demonstrates the knowledge graph construction of meteorological records archives. The knowledge graph construction in this research enriches the knowledge units and semantic relations contained in meteorological records archives, mainly including 28 core concepts, 280 general concepts, 6 ontological relationship models, and more than 10 000 volumes of archives entities. It can provide a reference for knowledge graph construction across industries of meteorology and archives.