XDA member Linq’z QIrls’z has already moded the Samsung Galaxy S4 launcher, and Weather works on all Android devices on Android 4.1 Jelly Bean. It supports multiple resolutions like XHDPI, HDPI and MDPI (phones with lower resolution) devices.

s4 launcher

This weather and launcher supports all android devices that use ROM CM10/CM10.1 and the like as MIUI JB, AOKP, Paranoid Android, and other names that use JB ROM.

Download Samsung Galaxy S4 Launcher
Galaxy S4 Launcher For XHDPI
Galaxy S4 Launcher For HDPI
Galaxy S4 Launcher For MDPI
Galaxy S4 Launcher For LDPI

Download Samsung Galaxy S4 weather
Galaxy S4 Weather v2 ( NEW )
Galaxy S4 Weather v1
Galaxy S4 Weather Transparent Version v2
Galaxy S4 Weather Transparent Version v1

How to Install:
-Download the most suitable files from above and copy the ZIPs to your device.
-Boot your phone into CWM/TWRP recovery mode.
-Do not forget to backup your current ROM using backup option in recovery.
-Then install the Launcher dan Weather.
-Finally reboot your phone.
-When the device boots up, select Touchwiz Launcher as default.