This article delves into the contemporary tendencies shaping the development of digital educational environments in universities and proposes a model for their implementation in pedagogical institutions. The study analyzes the concept of educational environments, explores their components, and highlights the distinctive structural features. Additionally, it introduces the notion of a digital educational environment and elucidates its essential components for teachers’ professional training at Ternopil Volodymyr Hnatiuk National Pedagogical University (TNPU): technological, didactic, and social aspects. Notably, the article discusses the characteristics of this environment, such as its information-rich and open nature, digital transformation, and emphasis on social practices and collaboration. To evaluate the efficacy of the digital educational environment for teachers’ professional training, a comprehensive study was conducted with the participation of 432 master’s students across various disciplines at TNPU. Expert assessments were employed for statistical analysis, aiming to determine the significance level of each component’s indicators within the digital educational environment. The results highlight substantial changes observed in the technological and social dimensions of the university’s digital educational environment, which significantly influence the quality of teachers’ professional training.