Sun is an HTML5 weather app that runs from your iPhone home screen. It’s a fairly simple app, and not as fast as a native one, but the coolness is definitely in how much like a native app it is. Pinch and zoom, editing of locations, sounds, etc. Very impressive.
Unfortunately right now it seems to only work on iOS devices, the one Android device I have available to me just shows the same page you see in the browser.
Hit the Read more for a couple more images.
Tapping a location:
Viewing all locations by pinching: