2003年シーズンのレギュラーシーズン日程が下表の通り発表された。
| 2003 Regular Season Schedule | ||||||
|---|---|---|---|---|---|---|
| Date | Opponent | Time | TV | |||
| 9/7 | MINNESOTA | 12:00 | FOX | |||
| 9/14 | DETROIT | 12:00 | FOX | |||
| 9/21 | @ | Arizona | 3:05 p.m. | FOX | ||
| 9/29 | @ | Chicago | Monday Night Football | 8 p.m. | ABC | |
| 10/5 | SEATTLE | 12:00 | FOX | |||
| 10/12 | KANSAS CITY | 12:00 | CBS | |||
| 10/19 | @ | St. Louis | 12:00 | FOX | ||
| - Open date - | ||||||
| 11/2 | @ | Minnesota | Sunday Night Game | 7:30 p.m. | ESPN | |
| 11/10 | PHILADELPHIA | Monday Night Football | 8 p.m. | ABC | ||
| 11/16 | @ | Tampa Bay | 3:15 p.m. | FOX | ||
| 11/23 | SAN FRANCISCO | 12:00 | FOX | |||
| 11/27 | @ | Detroit | Thanksgiving Day | 11:30 a.m. | FOX | |
| 12/7 | CHICAGO | 12:00 | FOX | |||
| 12/14 | @ | San Diego | 3:15 p.m. | FOX | ||
| 12/22 | @ | Oakland | Monday Night Football | 8 p.m. | ABC | |
| 12/28 | DENVER | 3:15 p.m. | CBS | |||
| 時間は全てグリーンベイ時間(東部標準時よりも1時間遅い) | ||||||