kelvin@orz:~$ sudo apt-get install indicator-weather
[sudo] password for kelvin:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  python-pywapi
The following NEW packages will be installed:
  indicator-weather python-pywapi
0 upgraded, 2 newly installed, 0 to remove and 9 not upgraded.
Need to get 134 kB of archives.
After this operation, 992 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://hk.archive.ubuntu.com/ubuntu/ precise/universe python-pywapi all 0.2.2-1 [9,686 B]
Get:2 http://hk.archive.ubuntu.com/ubuntu/ precise-updates/universe indicator-weather all 11.11.28-0ubuntu1.2 [124 kB]
Fetched 134 kB in 1s (79.2 kB/s)
Selecting previously unselected package python-pywapi.
(Reading database ... 222420 files and directories currently installed.)
Unpacking python-pywapi (from .../python-pywapi_0.2.2-1_all.deb) ...
Selecting previously unselected package indicator-weather.
Unpacking indicator-weather (from .../indicator-weather_11.11.28-0ubuntu1.2_all.deb) ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for desktop-file-utils ...
Processing triggers for gnome-menus ...
Processing triggers for libglib2.0-0 ...
Processing triggers for man-db ...
Setting up python-pywapi (0.2.2-1) ...
Setting up indicator-weather (11.11.28-0ubuntu1.2) ...
Installing indicator-specific icons...
Fixing incomplete weather icons...
Processing triggers for python-support ...
kelvin@orz:~$