| 8/25/2018 | Hawaii (8-6,5-3) | 43 | at | Colorado State | 34 | |||
| 8/31/2018 | Colorado State | 13 | vs | Colorado (5-7) | 45 | Denver CO | vs P12 | |
| 9/8/2018 | Arkansas (2-10) | 27 | at | Colorado State | 34 | SEC | ||
| 9/15/2018 | Colorado State | 10 | at | Florida (10-3) | 48 | at SEC | ||
| 9/22/2018 | Illinois State (6-5) | 35 | at | Colorado State | 19 | MVC (1AA) | ||
| 10/6/2018 | Colorado State | 42 | at | San Jose State (1-11,1-7) | 30 | |||
| 10/13/2018 | New Mexico (3-9,1-7) | 18 | at | Colorado State | 20 | |||
| 10/19/2018 | Colorado State | 28 | at | Boise State (10-3,7-2) | 56 | |||
| 10/26/2018 | Wyoming (6-6,4-4) | 34 | at | Colorado State | 21 | |||
| 11/10/2018 | Colorado State | 10 | at | Nevada (8-5,5-3) | 49 | |||
| 11/17/2018 | Utah State (11-2,7-1) | 29 | at | Colorado State | 24 | |||
| 11/22/2018 | Colorado State | 19 | at | Air Force (5-7,3-5) | 27 |
| vs Colorado State | vs Other Opponents | Colorado State compared to OOs | |
| Record: | 9-3 | 66-71 | |
| Points Scored: | 36.75 | 29.54 | -7.21 |
| Points Allowed: | 22.83 | 27.83 | -5.00 |
| Margin: | 13.92 | 1.71 | -12.21 |
| Total Points: | 59.58 | 57.37 | 2.21 |