1989 Chicago Cubs season Game log August

| Date_ | Opponent | Score | Loss | Save_ |
|---|---|---|---|---|
| August 1 | @ Phillies | 4 - 1 | McWilliams (2-11) | Williams (27) |
| August 2 | @ Phillies | 6 - 0 | Sanderson (9-7) | || 21,688 ||60-47|| |
| August 3 | @ Phillies | 2 - 0 | Ruffin (3-5) | Lancaster (3) |
| August 4 | @ Pirates | 3 - 2 | Drabek (8-8) | Williams (28) |
| August 5 | @ Pirates | 4 - 2 | Landrum (2-2) | Lancaster (4) |
| August 6 | @ Pirates | 5 - 4 18 | Sanderson (9-8) | || 24,716 ||63-48|| |
| August 7 | Expos | 5 - 2 | Pérez (6-11) | || 39,002 ||64-48|| |
| August 8 | Expos | 4 - 2 | Den. Martinez (12-2) | Lancaster (5) |