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 | L | -7 |
| 2 | 2015-09-12 | Washington State (80) | 37 | Rutgers (43) | 34 | Final | W | 3 |
| 3 | 2015-09-19 | Wyoming | 14 | Washington State | 31 | Final | W | 17 |
| 4 | 2015-10-03 | Washington State | 28 | California | 34 | Final | L | -6 |
| 5 | 2015-10-10 | Washington State | 45 | Oregon | 38 | Final/OT | W | 7 |
| 6 | 2015-10-17 | Oregon State | 31 | Washington State | 52 | Final | W | 21 |
| 7 | 2015-10-24 | Washington State | 45 | Arizona | 42 | Final | W | 3 |
| 8 | 2015-10-31 | Stanford | 30 | Washington State | 28 | Final | L | -2 |
| 9 | 2015-11-07 | Arizona State | 24 | Washington State | 38 | Final | W | 14 |
| 10 | 2015-11-14 | Washington State | 31 | UCLA | 27 | Final | W | 4 |
| 11 | 2015-11-21 | Colorado | 3 | Washington State | 27 | Final | W | 24 |
| 12 | 2015-11-27 | Washington State | 10 | Washington | 45 | Final | L | -35 |
| 13 | 2015-12-26 | Miami | 14 | Washington State | 20 | Final | W | 6 |