In ancient Greece, you learned of the future by visiting the Oracle at Delphi. Purported to be a seer of great vision, the priestess would inhale the volcanic vapors emerging from a crack in the Earth in or around the temple of Apollo, get a little stoned, and start speaking prophesies.
With all due respect to the culture of ancient Greece, without which our own culture would doubtless be unrecognizably different, these days we do things a little more scientifically.
And there is one area of modern life that benefits most from scientific visions of the near future: weather prediction.
Although it is still imperfect, weather prediction has gotten a lot better in the past few decades, for two main reasons.