While experimenting with the pywapi I found a few problems that require an article, in case someone is facing the same issues.
First, for Canadian cities, you need a more current version of pywapi. On Ubuntu 12.04, the python-pywapi is 0.2.2-1 and does not have the API for Weather.com. The version on 14.04 is 0.3.6, and does have that API.
Second, you need to find the code for your city. Here is a list of codes.