gnome-shell-extension-weather software package provides weather extension for GNOME Shell, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnome-shell-extension-weather
gnome-shell-extension-weather is installed in your system.
Make ensure the gnome-shell-extension-weather package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-shell-extension-weather *
You will get with gnome-shell-extension-weather package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | GNOME |
| Package | gnome-shell-extension-weather |
| Version | 0~20131021.git1bf555c-1 |
| Description | weather extension for GNOME Shell |
| Sub Section | GNOME |