Best Weather Widget with jQuery: simpleWeather
simpleWeather is weather widget built with jQuery for websites and applications. This simple jQuery weather plugin displays the weather information for any location. The data is pulled from the public Yahoo! Weather feed via the YQL API.
Customizing simpleWeather couldn’t be easier. The script simply returns the data for you to do with as you want. This means that you control all the html and will utilize your current css.