Today’s Forecast does not collect any personal information from users. The app does require the user to allow location access, but this information is not tracked or even stored by Today’s Forecast. We don't keep any of your data and we don't want it.
The location is sent to Dark Sky via an encrypted HTTPS request. You can read about their service here. In short, obviously they see your location and IP address to return a forecast for your location, but per their support staff they only store this information few a few weeks and don't sell your data to anyone else.
This website uses Google Analytics to track web traffic, and this data is used exclusively to understand how many people are visiting the site and where people are hearing about the app.