"weather" command help

To use the "weather" command you need first to go on this page : http://tinyurl.com/hnpn5
Type your country in the textbox and search your city :



Then use the "weather" command with the exact city name :
weather "France" "Paris-Orly"

(you see here that you can't use 'Paris' alone, but one of the names listed on the site)

Another example, New-York :



Then :
weather "United States" "New York, Kennedy International Airport"