For the 24 hours to 23:00 GMT, USD weakened 0.11% against the JPY and closed at 81.21.
In the US, the seasonally adjusted construction spending, on an annual basis rose by 1.4% in March, compared to a revised 2.4% decline recorded in February. Additionally, the index of manufacturing activity fell to a reading of 60.4 in April, following a reading of 61.2 in March.
In the Asian session at 3:00GMT, the pair is trading lower from the New York close, by 0.18%, at 81.06.
The first short term resistance is at 81.51, followed by 81.97. The pair is expected to find support at 80.79 and the subsequent support level at 80.53.
Trading trends in the pair today are expected to be determined by release of factory orders data in the US.
The currency pair is trading just below its 20 Hr moving average and its 50 Hr moving average.