Summer begins on Friday, June 20, this year. The summer solstice begins at 9:42 p.m. CT. Summers in Illinois are typically characterized by average temperature highs in the 80s and lows in the 60s.

The 8 p.m. sunset on Wednesday, May 8, is the first in the 8 p.m. hour in Denver since Aug. 11, 2024. Denver's sunset times ...