Fair and 70 F at Chicago, Chicago-O'Hare International Airport, IL ★ Cardinal News ★ 8/04/2021 08:47:00 AM Winds are Calm. The pressure is 1019.9 mb and the humidity is 71%. Last Updated on Aug 4 2021, 7:51 am CDT. SEE HOURLY TABLE >http://dlvr.it/S51hw3