Developers are doing some downright amazing things with HTML5 as a late, and Sun is just the latest example of the ongoing trend.
First noted by 9to5 Mac, Sun is an HTML5 based web app for weather forecasts. It can handle up to 4 different cities at once, including a city based on your current location.
For fans of Clear — the popular task app for the iPhone, you'll feel immediately at home with Sun, because it too relies on simple gestures for navigation.
Needless to say, I came away mighty impressed with Sun. I've always said that one way to tell a good web app is if you can't tell it's a web app. With Sun, you'd be hard pressed to do so...