The official high temperature at Chicago’s O’Hare International Airport was 69 degrees at 8:03 p.m. on September 27, 2019.
Winds were about 15 MPH and gusting to 30 MPH from the South with cloudy conditions and light rain was in the area when these cloud images were captured, but it was not raining at Aldi Foods near Rand Road and Thomas Street. Air temperature was 59°F. A heavy thunderstorm moved into the area about 8:00 p.m. after rain was on and off most of the day. Air pressure was 29.01 inches at 12:40 p.m. and fairly steady the rest of the afternoon and evening.