Joined: Aug 2010
Posts: 12,748
Likes: 2,108
From: Madison, WI
Bikes: 1961 Ideor, 1966 Perfekt 3 Speed AB Hub, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, 1980s Bianchi Mixte on a trainer. Others are now gone.
I would be more concerned about ice patches in the morning than the cold. That and drivers on the road that don't have a clean windshield or frost on the windshield reducing drivers visibility in the morning. You said you have the gear, I assume you know enough to not leave a full water bottle sit outside all night long when it dips to subfreezing temperatures.