Why was Atticus is worried about ugly things that the family will face in the next few months.Although we haven't read par of the story yet what sorts of things do you suppose have Atticus worried?

Atticus might be worried about potential challenges related to the upcoming trial of Tom Robinson, as well as the prejudices and racism that may adversely affect his family. He could also be concerned about the impact of these events on his children's innocence and understanding of the world.