Optimally you want to be in the 72 to 76 or so F. It usually won't hurt them much to be a bit hot but... that is strain dependent and it would be ideal to get the temps down a bit!
And yes, anything outside of optimal will end up in less than 100% of your overall harvest!
Hi its now day 5 of bloom and temps been at 35 degrees celcius since day 1 just got temps down now ..i'm curious to find out whats going to be the damage done? Am i going to lose a significant amount of bud in the end?