Is it a problem to cover my plants at night

[jeffweet]

I have 4 plants in Smart Containers out back. They have thrived thus far - however my development turned on the lawn sprinklers last week and they absolutely drench my plants every night. I have no shot at getting them to do anything about it. First i tried throwing a plastic tarp over the top, which kept the plants dry but reeked havoc with my cages putting it on and taking it off. Over the weekend, I spent 4 hours building a frame out of aluminum electrical tubing - it ended up being too heavy and too unstable to have to put it up and take it down every day. Finally I ended up creating two upside down U shapes and I plan on throwing the tarp over them at night and pulling them in the morning. There is air flow since the ends are open and I spread them out enough that nothing is actually touching the plants or the cages. Is this going to be a problem for my plants?