Getting ready to head out and a half/hour or so, waiting for the warmest part of the day. It is kind of windy this afternoon, 15-17 mph winds and I keep telling myself that isn't so bad and the wind will keep me from over-heating

I AM wondering if I should wear my smartwool long sleeved base layer beneath my sleeveless jersey - I certainly don't need a jacket. I don't want to overheat, but with temps in the high 60's and only reaching 70, am wondering if the wind might be a little chilly.