Highest Daily Low Temperatures in Quincy History

This is a list of the hottest daily low temperatures ever recorded in Quincy, Illinois history from 1901–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Quincy

The highest low temperature for a calendar day in Quincy, Illinois history was 87 °F which has happened twice, most recently on Saturday August 22, 1936.

Rank	Temperature	Date
1	87 °F	August 22, 1936
1	87 °F	July 21, 1934
3	86 °F	July 26, 1936
3	86 °F	July 22, 1934
5	85 °F	August 8, 1934
5	85 °F	July 19, 1934
7	84 °F	July 15, 1936
8	83 °F	July 15, 1980
8	83 °F	August 14, 1936
8	83 °F	July 27, 1936
8	83 °F	August 10, 1934
8	83 °F	July 27, 1930
13	82 °F	August 26, 1936
13	82 °F	August 21, 1936
13	82 °F	July 12, 1936
13	82 °F	July 11, 1936
13	82 °F	August 7, 1934
13	82 °F	July 23, 1934
13	82 °F	July 20, 1934
13	82 °F	July 5, 1934
13	82 °F	July 2, 1933
13	82 °F	June 26, 1931
13	82 °F	August 6, 1918
13	82 °F	June 5, 1911