2003 Colorado Rockies season Game log June

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| June 13 | @ Tigers | 7–2 | Cornejo (3–4) | 19212 | 34–34 |
| June 14 | @ Tigers | 9–7 | Elarton (3–2) | 19260 | 34–35 |
| June 15 | @ Tigers | 5–4 | Knotts (2–5) | 19323 | 35–35 |
| June 16 | Padres | 7–5 | Jiménez (0–3) | 22716 | 35–36 |
| June 17 | Padres | 4–3 (8) | Neagle (0–1) | 22178 | 35–37 |
| June 18 | Padres | 5–3 | Jarvis (0–1) | 22033 | 36–37 |
| June 19 | Padres | 10–5 | Lawrence (4–8) | 23515 | 37–37 |
| June 20 | Tigers | 7–5 | Elarton (3–3) | 29603 | 37–38 |
| June 21 | Tigers | 9–6 | Sparks (0–4) | 35660 | 38–38 |
| June 22 | Tigers | 5–3 | Bernero (1–10) | 34723 | 39–38 |
| June 23 | @ Padres | 5–1 | Jarvis (0–2) | 18072 | 40–38 |
| June 24 | @ Padres | 5–2 | Lawrence (4–9) | 15915 | 41–38 |