Seasonality weather app is a good app for weather. It includes temperature details, atmospheric pressure, humidity, and even how long the daylight will last. But it is not rich in features, it provides very limited features There are many weather apps in the market and some comes with variety of features. You can check the Weather Mate app, it is a free app for iPhone/iPad and it is rich in features. It has screen sharing, NWS radio, satellite/radar map, travel planner, weather history and many other features.