Say You Will by Foreigner first appeared on the Israeli foreign-music chart on 17 Jan 1988, entering at #12. It peaked at #2 on 7 Feb 1988. In total it spent 9 weeks on the chart, last charting on 13 Mar 1988.
| Wk | Date | Pos |
|---|---|---|
| 1 | 17 Jan 1988 | 12 |
| 2 | 24 Jan 1988 | 8 |
| 3 | 31 Jan 1988 | 3 |
| 4 | 7 Feb 1988 | 2 |
| 5 | 14 Feb 1988 | 5 |
| 6 | 21 Feb 1988 | 7 |
| 7 | 28 Feb 1988 | 16 |
| 8 | 6 Mar 1988 | 24 |
| 9 | 13 Mar 1988 | 30 |