Innacurate and inconsistent.
Desktop App reads: +12C (correct!)
Notification Centre Extension reads: -8, Feels Like -18C (WTF?)
No amount of quitting, relaunching, removing replacing app / extension will get them to agree on the temperature in Montreal. Same crap happened a few weeks ago in another city, another province.
Not too helpful.
mykb about Weather Live, v1.7.1