Use Weather widgets on iPhone
Use Weather widgets to check the forecast and other weather conditions at a glance on your iPhone Home Screen. You can choose from a variety of widget sizes and displays.
Tip: You can add more than one Weather widget to your Home Screen so you can quickly see weather conditions and forecasts in different locations.
Change the location shown in the Weather widget
You can change the location that a Weather widget displays on your iPhone Home Screen.
Touch and hold the Weather widget on your Home Screen.
Tap Edit “Weather” or Edit Widget.
Tap My Location, then search for a city or tap a location from your list that you want to display.
Tap the screen outside the widget to return to your iPhone Home Screen.
Weather widgets are also available for the iPhone Lock Screen. See Create a custom Lock Screen.