You can add cities to the Weather app on an iPhone and flip through forecasts for different cities with a quick swipe.

Apple's Weather app may not be the most consistent, but it likely ranks high among consumers' most-used iPhone apps. Whether they're checking the daily forecast or curious about what's in store for ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You probably already know how to scan a QR code with your phone. It ...