The site of Tal-Qadi was possibly in use around 4000 BC, during the Ġgantija phase of Maltese prehistory, but the temple itself was built during the Tarxien phase between 3300 and 3000 BC. The temple continued to be used during the Tarxien Cemetery phase, since pottery sherds from that era have been found.
Tal-Qadi is the only temple in Malta which is orientated to the north-east. Most other temples face the south or south-east, but in the case of Tal-Qadi this would not have been possible since there is a steep slope in that direction.
Today, the temple is in poor condition, with few remains visible apart from its general outline. The remains of a central area and two apses can still be seen. The temple probably contained another two apses, giving it a four-apse shape which was typical of the late temple period. No traces of the temple's façade exist.