thats a BIG difference in temp, the 90 is completly ok but not sure about around 50s, cuz the ideal temp for marijuana in a stressless envioment is from 85 -65
but outdoor plants tend to alot more stronger so i doubt you have any thing to worry about
noob ur killin me but like the post. brings me back when i was like 13 just started growing. plus ur cocky for someone that flowers mh and the nuggs in grinder, which rips the shit out of your tricroms and red hairs which is basically pure thc...