Svarun, I'm having the same probably and it has only just started today, I've tried turning down my settings and my temperature is quiet the same as before. and it is the first time i have counted it. only just installed the beta too.
AMD Phenom 9750 Quad-core Processor 2.40
4.00GB RAM
windows 7 Home Premium 32-bit operation system
ATi HD 4300/4500