I am wanting to display a line graph with details containing wind speed/gust/lulls etc for out local club paragliding app I am making. wondering what the best way to go about it with is?

The current data is just on the web so something similar that I can pinch zoom maybe:
<http://www.acthpa.org/wind/>

Willy weather has an awesome app that display very nicely, anyone know what they might have used to make it so? the web is very similar to their iPHone app:
<http://wind.willyweather.com.au/vic/western-district/wild-dog-beach.html>