i know it may be a bit different in terms of temperature but I have now done this a couple of times on my 5 metre gemini.
It was a squeeze. If you have plenty of deck space and particularly a sundeck then it shouldn't be an issue.
I have used a mozzie net as primary layer and then two ex army lightweight poncho's poppered together and strung across the top of the tubes.
Not elegant, not sophisticated, not a long term option but it worked for a couple of nights.
we didn't get bitten, and we stayed dry. (but, then - it didn't rain.