Author: http://satya164.deviantart.com/art/Conky-Google-Now-366545753
Install curl and conky
apt-get install curl conky -y
Or:
yum install -y curl conky
Then git clone https://github.com/mariusv/conky-google-now.git . Rename 'conky' and 'weathericons' to '.conky' and '.weathericons' and you are good to go :-)