Simple and fast
Application uses less battery power.
Weather Clock Widget is a replacement lock screen clock widget for Android 4.2+.
To add the widget to your Android 4.2 device's lock screen, simply swipe to the left-most page of your lock screen and touch the "+" icon. Then, select "Weather Clock Widget" to customize and add the widget. You can make this the primary lock screen widget, replacing the default clock, by first touching-and-holding it and then dragging it horizontally to the very rightmost position.
**Before running the application configuration is required.
SETTING: Settings->Location services->GPS satellites enable
TO USE: Home->Application Menu->Widget
Forecast On/Off: Touch the Weather Image