Why is the weather of iphone6plus tens of degrees?

Because you don't have settings, let's click on the settings on the iPhone6 plus desktop and find out the privacy inside. Then we click on the location service, there will be a weather below, and then we open it. After setting, we click Settings on the iPhone6 plus desktop, and then we find the notification center and turn on the switch of today's summary options. Ok, you can check the weather after you set it up.