Schedule:
| Game | Date | Away Team (Rank) | Away Score | Home Team (Rank) | Home Score | Game Status | Result | Margin |
|---|---|---|---|---|---|---|---|---|
| 1 | 2018-08-31 | Portland State (249) | 19 | Nevada (116) | 72 | Final | L | -53 |
| 2 | 2018-09-08 | Portland State (249) | 14 | Oregon (43) | 62 | Final | L | -48 |
| 3 | 2018-09-15 | College of Idaho | 14 | Portland State | 63 | Final | W | 49 |
| 4 | 2018-09-22 | Montana State (170) | 43 | Portland State (249) | 23 | Final | L | -20 |
| 5 | 2018-09-29 | Portland State (218) | 7 | Idaho (211) | 20 | Final | L | -13 |
| 6 | 2018-10-06 | Portland State (236) | 22 | Montana (148) | 20 | Final | W | 2 |
| 7 | 2018-10-13 | Northern Colorado (243) | 14 | Portland State (212) | 35 | Final | W | 21 |
| 8 | 2018-10-27 | Portland State (201) | 41 | Sacramento State (234) | 14 | Final | W | 27 |
| 9 | 2018-11-03 | Idaho State (133) | 48 | Portland State (192) | 45 | Final | L | -3 |
| 10 | 2018-11-10 | Portland State (190) | 10 | North Dakota (169) | 17 | Final | L | -7 |
| 11 | 2018-11-16 | Eastern Washington (117) | 74 | Portland State (206) | 23 | Final | L | -51 |