What did you fertilize with? A high nitrogen fertilizer can cause more green growth instead of blooms.

some time plant stress form lot watering causes this

Here is a link that might be useful: Tomato growing problems

How do the leaves look? Is the plant doing well otherwise?
Are plants in-ground or in pots? If in pots, shade the roots by blocking the bottom of the pot with a piece of board, then mulch the inside of pot. If in-ground, mulch.

Plants look good otherwise. I fertilized with high phosphorus. Will try shading bottom pots too.

Thanks
AJ