At some time a Jewish temple will be constructed in Jerusalem.  We can know this for certain because many prophecies talk about this temple.  If events take place with and in this temple, then surely the temple must exist.  Here is a list of some of the prophecies concerning this temple:  Revelation 11:1-2; Daniel 9:27; Daniel 11:31.  The temple is not there now, so we can know that it must be built before these prophecies are fulfilled.