Is it to hot to wear pants tomorrow?

http://store.nike.com/us/en_us/?l=shop,pdp,ctr-inline/cid-1/pid-204692/pgid-196383#l=shop,pdp,ctr-inline/cid-1/pid-196384/pgid-196383 but more silky. i live in Pennsylvania high 80 low 60 i believe. just ask this but didnt give much detail