Indeed, some members of Hinamizawa Club Forum are currently translating Onikakushi-hen. the first 3 chapters are translated, but not working, as they are going to release the fourth chapter soon.
There isn't any plan for the moment if any other Higurashi chapter will be translated, especially that many people are currently working on Umineko no Naku Koro ni.
that said, here is a working link for the patch Onikakushi 1-3:
http://downloads.visualnews.net/comm...ushi-hen_3.zip