Every, who graduated to the PGA circuit by finishing among the top 25 money winners last year on the Nationwide Tour, shot a 6-under 64 at the Waialae Country Club for a 36-hole total of 10-under 130.
He has finished in the Top 10 of a tour event just once in his career.
Cauley, 21, is the seventh player to join the tour without going through a qualifying tournament or spending time on the Nationwide circuit. He followed his opening-round 66 with a 68 Friday.
Steve Stricker, winner of the Tournament of Champions last week, was tied for 17th at 135.
2014: The Year in Fashion [PHOTOS]
LeBron James reveals his new Nike shoes