| 9/5/2015 | Portland State | 24 | at | Washington State (9-4) | 17 | at P12 | ||
| 9/12/2015 | Portland State | 34 | at | Idaho State (2-9,1-7) | 14 | |||
| 9/26/2015 | Western Oregon (7-4) | 0 | at | Portland State | 31 | GNWAC (D2) | ||
| 10/3/2015 | North Dakota (7-4,5-3) | 19 | vs | Portland State | 17 | Hillsboro OR | ||
| 10/10/2015 | Portland State | 66 | at | North Texas (1-11) | 7 | at CUSA | ||
| 10/17/2015 | Montana State (5-6,3-6) | 42 | at | Portland State | 59 | |||
| 10/24/2015 | Portland State | 38 | at | Cal Poly (4-7,4-5) | 35 | |||
| 10/31/2015 | Montana (8-5,6-3) | 16 | at | Portland State | 35 | |||
| 11/7/2015 | Portland State | 32 | at | Northern Colorado (6-5,3-5) | 35 | |||
| 11/21/2015 | Portland State | 34 | at | Eastern Washington (6-5,6-3) | 31 | |||
| 12/5/2015 | Northern Iowa (9-5) | 29 | at | Portland State | 17 | FCS Playoff Round 2 | MVC |
| vs Portland State | vs Other Opponents | Portland State compared to OOs | |
| Record: | 3-8 | 61-57 | |
| Points Scored: | 22.27 | 29.67 | 7.40 |
| Points Allowed: | 35.18 | 30.80 | 4.38 |
| Margin: | -12.91 | -1.13 | 11.78 |
| Total Points: | 57.45 | 60.47 | -3.02 |