2008 Seattle Mariners season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 10 | Rays | 11 - 3 | Dickey (3-7) | 30336 | 45-73 |
| August 12 | @ Angels | 7-3 | Washburn (5-12) | 42086 | 45-74 |
| August 13 | @ Angels | 10 - 7 (12) | Speier (1-5) | 42754 | 46-74 |
| August 15 | @ Twins | 9-3 | Silva (4-14) | 32208 | 46-75 |
| August 16 | @ Twins | 7-6 | Jimenez (0-3) | 36316 | 46-76 |
| August 17 | @ Twins | 11-8 | Feierabend (0-1) | 35478 | 46-77 |
| August 18 | @ White Sox | 13-5 | Washburn (5-13) | 39002 | 46-78 |
| August 19 | @ White Sox | 5-0 | Hernández (7-8) | 26414 | 46-79 |
| August 20 | @ White Sox | 15-3 | Dickey (3-8) | 27000 | 46-80 |
| August 21 | Athletics | 2-0 | Rowland-Smith (2-2) | 25611 | 46-81 |
| August 22 | Athletics | 7-5 | Blevins (1-3) | 26603 | 47-81 |