A simple Yahoo Weather widget
After you have installed the plugin, open the widgets page from your WordPress admin. Drag the Yahoo Weather widget to the sidebar.
A working example of this plugin: http://comenius-bs.slipknotee.com
There are 3 attributes: places, unit and cachetime.
845743|Tallinn, Estonia 807392|Győr, Hungary 487978|Brzesko, Poland 746203|Porto, Portugal 753692|Barcelona, Spain 23388162|Soverato, Italy
To get the WOEID for a city, use this website: http://woeid.rosselliot.co.nz
Unit is the temperature unit. 'c' for Celsius, 'f' for Fahrenheit. (If no unit is set, it displays the default Celsius)
Cachetime is optional. If not set, it will be the default 300 seconds. It means that the script will update the weather data every 300 seconds (5 minutes). You problably don't ever have to change it.
You can also style the weather. The weather is in a span with a class