I always check the weather. I use The Weather Channel's app. I even use it to send myself an email of the conditions before I leave the house. Once I get to work, I record the weather, what I wore, and how I felt. Now I can get ready in the morning and reference past rides to determine what I need to wear to be comfortable iin that day's conditions. Here's my sheet:
https://spreadsheets.google.com/pub?...en&output=html