Highest temperatures by year. Webthis table shows the number of daily high temperature records in chicago that were set in each decade since 1901. Webaccording to the national weather service, the warmest official high temperature recorded in the city came on july 24, 1934, when the high was clocked at. Webthe highest temperature ever recorded in chicago, illinois was 106 °f which occurred on july 13, 1995. Webthe city of chicago has officially tied a record for warmest heat index in recorded history, and also has hit 100 degrees for the first time in more than a decade. Weba high of 97 degrees was recorded monday afternoon at o’hare airport, besting the city’s previously daily high temperature of 96 degrees set in 1887 and tied in. Web69 rowshow hot did it get in 2019? When was the last time thermometers in chicago rose above 100 °f? What was the highest temperature in chicago five. Webthis page displays daily, monthly, seasonal, and annual temperature, precipitation, and snowfall records and rankings for chicago, il. The period of record for.