The following is the 1998 San Jose Clash schedule. Please note that all times listed are pacific and everything is subject to change.
| Date | Opponent | Kickoff |
| March 21 | at Los Angeles | 7:00 p.m. |
| *March 28 | Colorado | 7:30 p.m. |
| *April 5 | Dallas | 12:00 p.m. |
| *April 11 | Chicago | 2:00 p.m. |
| April 18 | at Dallas | 5:30 p.m. |
| April 25 | at MetroStars | 11:00 a.m. |
| April 29 | at D.C. United | 4:30 p.m. |
| May 3 | New England | 5:00 p.m. |
| May 9 | at Colorado | 6:00 p.m. |
| May 16 | Miami | 7:30 p.m. |
| May 23 | at Kansas City | 5:30 p.m. |
| May 30 | at Columbus | 4:30 p.m. |
| June 3 | D.C. United | 7:30 p.m. |
| June 6 | at Colorado | 6:00 p.m. |
| June 11 | at Chicago | 5:00 p.m. |
| June 27 | Los Angeles | 7:30 p.m. |
| July 3 | Columbus | 7:30 p.m. |
| July 15 | at Miami | 4:30 p.m. |
| July 18 | Tampa Bay | 7:30 p.m. |
| July 25 | Kansas City | 7:30 p.m. |
| July 29 | Chicago | 8:00 p.m. |
| Aug. 5 | at New England | 4:30 p.m. |
| Aug. 9 | MetroStars | 12:00 p.m. |
| Aug. 15 | at Chicago | 5:00 p.m. |
| Aug. 22 | Dallas | 7:30 p.m. |
| Aug. 29 | Colorado | 7:30 p.m. |
| Sept. 3 | at Tampa Bay | 5:00 p.m. |
| Sept. 5 | at Kansas City | 5:30 p.m. |
| Sept. 13 | at Dallas | 12:00 p.m. |
| Sept. 16 | Los Angeles | 7:30 p.m. |
| Sept. 20 | at Los Angeles | 12:00 p.m. |
| Sept. 27 | Kansas City | 2:00 p.m. |