A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
The Medes unified Iran as a nation and empire in 625 BC. The Achaemenid Empire (550â330 BC), founded by Cyrus the Great, was the first of the Persian empires to rule from the Balkans to North Africa and also Central Asia, spanning three continents, from their seat of power in Persis (Persepolis).
Iran is a Modern Persian derivative from the Proto-Iranian term ÄryÄnam, meaning land of the Aryans , first attested in Avesta. The term ÄrÄn is found in a 3rd-century Middle Persian inscription at Naqsh-e Rostam, and the term ÄryÄn is used in the Parthian inscription that accompanies it, in reference to Iranians.ehran, with a population of 7,705,036, is the largest city in Iran and is the capital. Tehran, like many big cities, suffers from severe air pollution. It is the hub of the country's communication and transport network.