This icon has a cloud on the top left and a son on the top right. On the bottom there is some sort of a dial that is pointing it off to the right towards the sun. The sun appears to be very hot with squiggly lines all around it.
Related to Barometer Icon
Related icons are the icons with matching tags, as well as all weather icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors