2003 Colorado Rockies season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 13 | @ Expos | 6–5 | Stark (1–1) | 6724 | 61–62 |
| August 15 | @ Mets | 5–0 | Oliver (10–8) | 28081 | 61–63 |
| August 16 | @ Mets | 13–4 | Chacón (11–8) | 28233 | 61–64 |
| August 17 | @ Mets | 6–4 | Jennings (10–11) | 28393 | 61–65 |
| August 18 | @ Mets | 8–0 | Tsao (2–1) | 23865 | 61–66 |
| August 19 | Marlins | 10–2 | Pavano (9–11) | 25889 | 62–66 |
| August 20 | Marlins | 9–3 | Redman (10–7) | 23534 | 63–66 |
| August 21 | Marlins | 5–4 | Looper (4–3) | 23846 | 64–66 |
| August 22 | Braves | 9–3 | Jennings (10–12) | 35578 | 64–67 |
| August 23 | Braves | 5–4 | Tsao (2–2) | 42303 | 64–68 |
| August 24 | Braves | 12–6 | Stark (2–2) | 31227 | 64–69 |
| August 26 | Giants | 3–1 | Oliver (10–9) | 24100 | 64–70 |
| August 27 | Giants | 6–4 | Jiménez (1–7) | 24972 | 64–71 |