Great Expectations Chapter 39 What's the function of describing the weather?

Is to promote the development of the plot and hint at the end of the story.

Chapter 39 of Great Expectations describes storms and foggy weather. Its role in the text is to set off the atmosphere, set off the emotions of the characters, promote the development of the plot, hint at the ending of the story, deepen the theme and so on.

Great Expectations is a novel written by British writer Charles Dickens in his later years. This book was written between 1860 and 186 1. The novel was serialized from August 1860 to 186 1 in the weekly magazine All Seasons of the Year.