BEFORE
This picture looks little gloomy isn't it? Why we don't change a bit.
Select Image and click Adjustment. Choose Contrast/Brightness
Brightness = 25
Contrast = 57
Then, select the sky by using Magic Wand Tool
After that, open Image → Adjustment → Hue/Saturation
Hue = 25
Saturation = 56
Lightness = -16
Click OK.
Voila! It's done. Looks pretty huh? And it's easy!
AFTER






