Live weather widget for use with iCatalyst HD Theme, found on cydia and by visiting: http://modmyi.com/forums/iphone-4-new-skins-themes-launches/724913-beta-released-icatalyst-hd.html

Download and activate above iCatalyst HD Theme and enjoy a great way to see your weather at a glance with out taking up screen space

iCatalyst HD Weather Widget is compatible with both Retina devices and non-retina devices. If you have a non iPhone 4 be sure you also download the iCatalyst HD non Retina Add-on.

To change the location from "boston, Ma" you will need to navigate to the weather theme directory on your phone, open the configureme.js and edit the location to your own.
This weather mod uses iWeather found in cydia customized to work with one of the cleanest most inovative themes on the market.
Note** this is set to run off whatever you have set for your wallpaper, to get the wallpaper for this theme you will need to purchase and download iCatalyst HD Theme