2004 Colorado Rockies season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 13 | @ Pirates | 9–3 | Wells (5–7) | 27522 | 53–63 |
| August 14 | @ Pirates | 6–1 | Wright (1–1) | 37312 | 53–64 |
| August 15 | @ Pirates | 3–0 | Kennedy (5–5) | 24862 | 53–65 |
| August 17 | Mets | 6–4 | Wheeler (3–1) | 34387 | 54–65 |
| August 19 | Mets | 10–3 | Estes (13–5) | 30827 | 54–66 |
| August 19 | Mets | 4–2 | Reed (3–3) | 29918 | 54–67 |
| August 20 | Expos | 4–3 | Fuentes (1–3) | 32707 | 54–68 |
| August 21 | Expos | 5–2 | Hernández (9–11) | 33225 | 55–68 |
| August 22 | Expos | 8–2 | Jennings (11–11) | 26833 | 55–69 |
| August 24 | @ Braves | 6–5 | Harikkala (5–3) | 27914 | 55–70 |
| August 25 | @ Braves | 8–1 | Francis (0–1) | 25534 | 55–71 |
| August 26 | @ Braves | 6–4 | Wright (1–2) | 28360 | 55–72 |