For the 24 hours to 23:00 GMT, USD rose 0.48% against the CAD to close at 1.0540.
Loonie declined against the greenback as investors sold off high yielding assets amid a sharp decline in oil prices and Euro zone debt concerns.
In the US, the construction spending rose unexpectedly by 1.4% (M-o-M) to an annual rate of $799.1 billion in August, following a 1.4% decline in July.
In the Asian session, at GMT0300, the pair is trading at 1.054, with the USD trading flat from the New York close.
The pair is expected to find support at 1.0465, and a fall through could take it to the next support level of 1.0390. The pair is expected to find its first resistance at 1.0582, and a rise through could take it to the next resistance level of 1.0624.
The currency pair is trading above its 20 Hr and 50 Hr moving averages.