@jreisberg
Unfortunately, this doesn't seem to be possible. Several posts mention this problem. Even if you get your position from your GPS on your laptop via the NMEA network, Windy can't use it.
A user offered to develop a plugin, but I don't know why it has not been published
https://community.windy.com/topic/31066/list-of-finished-windy-plugins-v42/45?_=1734024275855
