Source: The Great Interpretation of Dreams (Ibn Sirin)
(By analogy with the church and the mosque) A temple in a dream may indicate a place of worship or a place of heresy and misguidance, depending on the dreamer's condition and what happens in the temple.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
(By analogy) A temple indicates a scholar or an ascetic man. Entering it may indicate guidance or misguidance.
Source: Signs in the Science of Expressions (Ibn Shaheen)
(By analogy) A temple is interpreted as worry if it is for non-Muslims. If it is for Muslims, it is good.