The rupee was trading weak by 9 paise at 62.59 against the dollar at 4.13 p.m. local time.
The rupee weakened by 50 paise to 63 per dollar on increased buying of the American currency by banks and corporates. The Indian unit had closed at 62.50 on Friday.
The Government is expected to release the current account deficit data for the April-June quarter today.
The numbers will be watched closely as it will indicate if Finance Minister P. Chidambaram can adhere to his promise of keeping the current account deficit at under $70 billion for the full year.
A higher current account deficit puts pressure on the rupee and a lower figure is seen as an important determinant for a stable rupee.
