/usr/lib/x86_64-linux-gnu/libweather_ion.so.7 is in libweather-ion7 4:5.8.6-2.1+deb9u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libweather_ion.so.7.0.0
/usr/lib/x86_64-linux-gnu/libweather_ion.so.7.0.0