You may have a look at /home/username/.config/cairo-dock/current_theme/plug-ins/weather ( in file manager click view and select show hidden files )
odd you can not right click on the dock and choose cairo-dock/configure/weather without a crash, may be worth opening in a terminal to see if any errors show.
100%accurated. this solved the issue with no problem. I just closed the dock, changed the config file and re-opened...
thanks a lot to you all for the replys