Jan
23
Friday, January 23to
Sunday, January 25, 2026
Embassy Suites by Hilton Colorado Springs
Colorado Springs, CO
26°
The average temperature in Colorado is 26°F in January.
About
COSine has been held in Colorado Springs since 2004, and features numerous sci-fi and fantasy authors, artists, and fans, as well as panels, art show, author signing & reception, gaming, science & technology, dealers room, kids' programming, liquid nitrogen ice-cream, and more!
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Last updated: 2025-07-03
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