Clone room temps fluctuating!!

During the daytime my clone room temps are between 80-84 degrees and at night they are between 71 and 74 degrees. Will this cause any problems with my plants, and can I possibly get mold issues due to the higher temps in the daytime? I DO NOT spray the clones directly with water, I only saturate the dome once a day around 4-5 pm. The babies are on their second full day since being cut from the mom. And to give some more specifics I have Blue Dream and Strawberry Diesel

No it will not hurt them. Consider what it's like if they were out in the wild. Temps naturally get lower at night.