There is no way to adjust the weather settings without using the configuration tool. Propose to add a new weather settings window to allow users to easily add (non-temp) locations and manage other settings.

h4. Additional Information
The implementation is complete and is in a patch posted at http://forum.team-mediaportal.com/developer-discussions-70/new-menu-button-control-lots-skinning-options-weather-settings-window-91490/#post697273