There's a big blue bar at the top of the screen which contains an input field you can use to search for a different location. It starts out saying "Current Loca

There's a big blue bar at the top of the screen which contains an input field you can use to search for a different location. It starts out saying "Current Location", but you can adjust it. There's also a units switcher in the top right of the page. Disclaimer: I visited forecast.io on my phone for the first time in years to check this. I may have missed subtleties of it not working.