Is it possible to repair / install windows in the rain?

Installing windows is not an easy thing.

However, the main difficulties are connected not with the use of any complex equipment and tools, not with the adjustment of complex systems, but with a purely human factor. Manufacturers of windows did their best to make installation quick and without problems. But if the approach is irresponsible, the result is unlikely to leave anyone satisfied.

source http://argowindowrepair.com/blog/is-it-possible-to-repair-install-windows-in-the-rain.html