Dynamic weather position in your google maps

Just wanted to know if you want a dynamic weather position in your google maps ? how it works ?

i have 3 markers position

a( 48.889792, 2.368881 )
b(48.82574, 2.274327)
c(48.8588, 2.34738)

with a boucle for in java for example, can i in a one URL get those 3 markers weather ?
like adding parameters for example :

http://api.wunderground.com/api/APIKE...

thanks from france !