Free Will versus Natural Necessity
Before addressing this question directly, I would like to clarify that astrology is not strictly scientific; therefore, any attempt to discredit it based on astronomical hypotheses has no proof value. For an in-depth examination of astrological debunking, see Summa Contra Gentiles on this site.
The question posed is almost more philosophical than astrological. Suppose we say that astrology can accurately predict the future. In this case, we assume that human beings live in a state of absolute necessity and dependence on their destiny, with no possibility of acting except for what has already been established since birth. On the other hand, by assigning degrees of freedom to individual mediation on events, we assume that we can act spontaneously in the face of choices, without prejudice to the limits imposed on us by genetic, cultural or family orientations.
However, the fundamental lack of these arguments is not to consider consciousness as the protagonist in the scene of events. Without a consciousness that translates the data of our perceptions, events would have no meaning in themselves. Therefore, astrology aims not to predict the future but to ensure that we assign events a sense that makes us participate in what is happening. In the horoscope, we see the correlation between our interiority, which paints reality from a unique point of view referring to a specific individuality, and external events that become significant thanks to the mediation of consciousness.
Predicting the future in astrology is the revelation of the potential that we can express in our lives. Its primary purpose is to make us aware of these potentials to give meaning to our experience without following false paths. To the question “can we accurately predict the future?” we can answer that with Western astrology in certain circumstances, we can provide an accurate forecast, but we cannot present it as an inevitable fact without giving the individual the tools to recognise the event. It is useless when it is not harmful and causes concern. Whether auspicious or inauspicious, the event itself is an integral part of the individual’s evolutionary process.