When the future is connected to the term ‘imagination’, it is generally presented through the concept of the ‘imaginary’—that is, an image of the future that is related to a grand social image. In this article, we discuss the concept of sociotechnical imaginaries and argue that although this concept provides a needed perspective that allows scholars to unpack imaginaries associated with technological futures, it often features very broad concepts, hindering investigation of the ongoing dynamics of the actual acts of imagining and imagination. In contrast, we are interested in examining the processes and practices of imagination of socio-technical futures. Attempting to extend and deepen the development of this prevalent approach in STS, we make three incremental claims. First, future imaginaries should be addressed as a product of a process of imagination, not just in their final stable states. Second, exploring the process of future imagination reveals the effect of different temporalities—patterns of future imagination that expand the common singular far-future imaginary. Third, using a temporality-based analysis, we can identify different future planning techniques and practices in terms of their levels of formality and institutionalization.