/usr/lib/x86_64-linux-gnu/libmateweather.so.1 is in libmateweather1 1.8.0-2+deb8u2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmateweather.so.1.6.9
/usr/lib/x86_64-linux-gnu/libmateweather.so.1.6.9