Cirque Terre
 

Is this area too iffy to try in late March for a few nights - one town?

I was in 5 Terre last January and it was about 60 degrees - perhaps a tad warmer than normal i'd think but it was nice cause there were so few tourists there to 'ruin' these lovely towns.

Be sure to spell it right if you do any research online--it is cinque, which is 5--like cinco in Spanish.

Great typo - it can be like a circus when the tour groups pull in!

I have never been there in March but would love to. I would far rather have a bit cooler weather, although it will likely be lovely, than to contend with crowds! :)