The Easiest way to edit the files is to Download "iFile" from cydia.

Open iFile and go to /var/stash/Themes/Bliss Weather HD.theme

Or to edit the configureMe.js file could also use either WinSCP or one that is called "iFunBox"

Direct Download link: http://dl.i-funbox.com/ifunbox_en.zip 

When you plug in your phone via USB it lets you browse your iPhones Directories then you will browse your iphone into my theme folder and locate that configureMe.js file I told you about and make the necessary edits.

Inside that file look for this line of code: var locale = "90631"  // Zip codes work great in the US

Change "90631" to whatever your zip code is inside the parenthesis okay.

***For those of you residing outside the US simply find your "location code" listed on the left here: http://www.edg3.co.uk/snippets/weather-location-codes/ 

If you would like to change your weather from Farenheit to Celsius inside the same file ConfigureMe.js look for this line of code:

// Set to 'false' if you'd prefer Farenheit
var isCelsius = false //true|false

Change it to:

var isCelsius = true //true|false (you want Celsius true? Yes!) =)

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For the Animation Addon Theme place the Add on folder on top of the main theme folder in Winterboard to work correctly. It will need to be placed above the main folder so as the animations do not get hidden behind the wallpapers.

Then enter your location zip inside the file that says: locationHere.js