Schedule:
| Game | Date | Away Team (Rank) | Away Score | Home Team (Rank) | Home Score | Game Status | Result | Margin |
|---|---|---|---|---|---|---|---|---|
| 1 | 2015-09-05 | Portland State | 24 | Washington State | 17 | Final | W | 7 |
| 2 | 2015-09-12 | Portland State | 34 | Idaho State | 14 | Final | W | 20 |
| 3 | 2015-09-26 | Western Oregon | 0 | Portland State | 31 | Final | W | 31 |
| 4 | 2015-10-03 | North Dakota | 19 | Portland State | 17 | Final | L | -2 |
| 5 | 2015-10-10 | Portland State | 66 | North Texas | 7 | Final | W | 59 |
| 6 | 2015-10-17 | Montana State | 42 | Portland State | 59 | Final | W | 17 |
| 7 | 2015-10-24 | Portland State | 38 | Cal Poly | 35 | Final | W | 3 |
| 8 | 2015-10-31 | Montana | 16 | Portland State | 35 | Final | W | 19 |
| 9 | 2015-11-07 | Portland State | 32 | Northern Colorado | 35 | Final | L | -3 |
| 10 | 2015-11-14 | Southern Utah | 23 | Portland State | 24 | Final | W | 1 |
| 11 | 2015-11-21 | Portland State | 34 | Eastern Washington | 31 | Final | W | 3 |
| 12 | 2015-12-05 | Northern Iowa | 29 | Portland State | 17 | Final | L | -12 |