What exactly is the best iPhone app for weather watchers is a tough question to answer. Apple has their own, built-in Weather app, with edge-to-edge graphics and subtle, elegant animations. However, it's still decidedly on the simple side. Since weather apps have become something of a playground for great designers and developers these days, there are many excellent, yet very different alternatives to be found in the App Store. The toughest part is choosing between them. That's where we come in! Here are the best weather apps for iPhone!