I decided I wanted to ride my Monster through the winter, so bought a Gerbings jacket. Since that might inhibit my ability to feel how cold it is outside, and whether to watch for black ice, I decided I needed to add an ambient temperature thermometer.
I found a luminescent model on Aerostich's website:
It came with a mount clip, which after a lot of adjusting, seemed to mount well off the handlebar mount:
It's small, but I'll just need to keep an eye on the angle of the needle.
Here's the cockpit view:
