Free Weather Icons Collection

Weather icons are very handy when displaying the weather status, generating a weather based content & more.
You can even customize the look of your website according to the weather conditions (CSS-Tricks has a nice tutorial on this).
There are beautiful free weather condition icons that can be used. Here is a collection of them:

Glossy Weather Icons

 

 

http://d3stroy.deviantart.com/art/Weather-Icons-I-32934189 

Set contains 22 glossy weather icons.
Sizes are 16*16px to 128*128px. They are in both ICO & PNG format.

Weather Icon Set

 

http://rheyzer.deviantart.com/art/UNTV-Weather-Icons-62787280

This set includes 10 icons & presented in a 1 PNG file.

Sticky Weather Icons

 

http://kortoik.deviantart.com/art/Sticker-Weather-Icons-78827487 

47 sticky weather icons in PNG format.
All the icons in the set are very detailed 6 high quality.

Flat Weather Icons

 

47 flat weather icons in PNG format & 128*128px size with:

• 8 color combinations
• In English 6 German
• Several combinations of some icons