Highest Daily Low Temperatures in Charleston History

This is a list of the hottest daily low temperatures ever recorded in Charleston, Illinois history from 1896–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Charleston

The highest low temperature for a calendar day in Charleston, Illinois history was 83 °F which happened on Saturday, August 19, 1972.

Rank	Temperature	Date
1	83 °F	August 19, 1972
2	82 °F	July 20, 2018
2	82 °F	June 23, 2016
2	82 °F	June 26, 2014
2	82 °F	July 26, 2012
6	81 °F	July 24, 2012
6	81 °F	August 19, 1936
6	81 °F	July 15, 1936
9	80 °F	June 25, 2014
9	80 °F	August 21, 1936
9	80 °F	July 28, 1930
9	80 °F	June 22, 1914
13	79 °F	June 16, 2022
13	79 °F	July 13, 2014
13	79 °F	July 12, 2014
13	79 °F	August 3, 2011
13	79 °F	July 22, 2011
13	79 °F	July 16, 2011
13	79 °F	July 30, 1999
13	79 °F	July 19, 1996
13	79 °F	June 25, 1988
13	79 °F	August 2, 1987
13	79 °F	July 14, 1976
13	79 °F	July 2, 1970
13	79 °F	June 26, 1969
13	79 °F	July 13, 1966
13	79 °F	July 12, 1936
13	79 °F	August 5, 1930
13	79 °F	August 4, 1930
13	79 °F	July 13, 1914