Cumulus: Freecns Cumulus includes over 100 weather specific icons which are shipped as PNG, PDF, EPS and SVG. In addition the pack comes along with grey, black and colored icons! The best of it: It is completely free!
200 vector icons that are optimized for the Retina Display. Icon pack includes all icons in PSD format. All icons are created from Photoshop shapes so they are vector, customizable and scalable