Meteorological astrology or astrometeorology (from Greek ἄστρον, astron, "constellation, star"; μετέωρος, metéōros, "high in the sky"; and -λογία, -logia) is the practice of applying the astrological/astronomical placements of the Sun, Moon, and planets to attempt to forecast the weather. Astrometeorology is the oldest type of Hellenistic astrology.
Ancient classical astrologers created weather forecasting known as meteorology by noting the positions of stars, planets, the Sun and Moon. According to their texts, when planets occupy constellations as seen from Earth that are mutually harmonious or that are favorable, the Earth in general experiences positive weather conditions. But when planets hold discordant mathematical aspects, the atmosphere responds and the weather is unseasonable.
For centuries, forecasting advance weather, especially medium and long-range, was attempted as a way to know when to plant crops, voyage the seas and predict the climate in preparation for winter. Meteorological phenomena correlated to planetary configurations were recorded by the ancient Babylonians.
Classical astrologers of note such as Claudius Ptolemy constructed a treatise on forecasting weather via astrological means, In 1686 a large volume written in English was devoted to astrometeorology by John Goad in his book Astro-Meteorologica published in London, England. Goad's volume consisted of proposed principles and rules for forecasting weather astrologically. Johannes Kepler recorded meteorological observations to support his belief that the conjunction of Saturn and the Sun would produce cold weather.
- Jenks, Stuart (June 1983). "Astrometeorology in the Middle Ages". Isis. 74 (2): 185–210. doi:10.1086/353243. JSTOR 233102.
- Lehoux, Daryn (June 2004). "Observation and prediction in ancient astrology". Studies in History and Philosophy of Science Part A. 35 (2): 227–246. doi:10.1016/j.shpsa.2003.12.009.
Astrometeorology is the oldest branch of astronomy/astrology in the Greek tradition. As early as Hesiod (c. 700 b.c.), who is among the earliest of extant Greek authors, we find...
- Frisinger, H. Howard (2003). History of Meteorology to 1800. Psychology Press. p. 2. ISBN 9780415161954.
They have also indicated that meteorology developed a new character in Babylonian culture. For by trying to connect atmospheric phenomena with the movement of the heavenly bodies, the Babylonian astronomer-priests founded astrometeorology.
- Goad, John (1686). Astro-meteorologica. London: J. Rawlins for Obadiah Blagrave.
- Kusukawa, Sachiko (1999). "Kepler and Weather Prediction". University of Cambridge: Department of History and Philosophy of Science. Retrieved 11 Feb 2011.