Rawalpindi launched his "coup d'etat" from Rawalpindi. In 1959, the city became the interim capital of the country under Ayub Khan, who had sought the creation of a new planned capital of Islamabad in the vicinity of Rawalpindi. As a result, Rawalpindi saw most major central government offices and institutions relocate to nearby territory, and its population rapidly expand. Construction of Pakistan's new capital city of Islamabad in 1961 led to greater investment in Rawalpindi. Rawalpindi remained the headquarters of the Pakistani Army after the capital shifted to Islamabad in 1969, while the Pakistan Air Force continues to maintain an airbase
Climate of Islamabad affects the upper and northern parts of Pakistan including Islamabad in every month and season. In this scenario Islamabad can receive heavy showers and rains in every month including March. The highest temperature is and the lowest is . The highest rainfall for March is (1984). Another Spring month with pleasant temperatures. The weather pattern of Islamabad in April is identical to that of March. The weather at few times gets hot in this month, the highest temperature recorded was (2006) and lowest temperature is (1994). Humidity remains low in this month about 24%. While the highest rainfall is (1983).