Definitions by Stabilo-Boss-original

window weather 

Cold (often windy) but sunny weather that looks extremely pleasant through the window when one is inside, but is in fact quite uncomfortable to be outside in.

origin: An Icelandic expression: "Gluggaveður" (literally: Window-weather).

A-"have you looked outside? what a nice day we're having!"

B-"This looks like window weather to me. You should bring a jacket."

window weather by Stabilo-Boss-original November 20, 2013