If a “temperature blanket” is too big a project, a temperature scarf would be something more manageable for a lot of people. Frankly, I never thought of doing a scarf ....
A Woman Knitted a Temperature Scarf to Reflect Januarys Fluctuating Weatherand Its Going Viral on Twitter
https://www.apartmenttherapy.com/temperature-scarf-global-warming-twitter-36713437?amp=1
Her comment (FB post): "One of my favorite things about crochet is how changing just the placement of a stitch can give you a whole new look. This Catherine wheel stitch now looks like scales!"