@Trilby: Nope, not unless she went up to the glass window, but even then she would also pick up the heat off of the glass window as well, which would obscure the vision. Here's a good infrared image of a house:
Not a single thing can be seen from the inside.
Also this is a good source:
http://www.imaging1.com/thermal/images/pd300-exterior_energy_audit.jpg