A vehicle vision system includes a camera module configured to attach at an in-cabin surface of a windshield of a vehicle equipped with the vision system. The camera module includes a housing and an imager assembly. The imager assembly includes a structure and an imager and a lens. The imager is disposed at an imager circuit board of the imager assembly. A thermal element is configured to attach at the structure of the imager assembly and includes a support element and a thermal pad disposed at least partially along the support element. With the thermal element attached at the structure of the imager assembly, a first portion of the thermal pad is engaged with the imager circuit board, and wherein, with the imager assembly disposed at the housing of the camera module, a second portion of the thermal pad is engaged with the housing.