Highest Daily Low Temperatures in Bloomington-Normal History

This is a list of the hottest daily low temperatures ever recorded in Bloomington-Normal, Illinois history from 1893–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Bloomington-Normal

The highest low temperature for a calendar day in Bloomington-Normal, Illinois history was 84 °F which happened on Thursday, July 8, 1897.

Rank	Temperature	Date
1	84 °F	July 8, 1897
2	82 °F	September 1, 1894
2	82 °F	June 20, 1894
4	81 °F	August 4, 1930
5	80 °F	July 26, 2005
5	80 °F	July 14, 1995
5	80 °F	August 10, 1896
5	80 °F	August 30, 1894
9	79 °F	July 21, 2011
9	79 °F	July 20, 2011
9	79 °F	July 15, 1995
9	79 °F	July 23, 1945
9	79 °F	August 8, 1934
9	79 °F	July 5, 1911
9	79 °F	August 11, 1907
9	79 °F	August 23, 1903
17	78 °F	August 25, 2023
17	78 °F	August 24, 2023
17	78 °F	June 15, 2022
17	78 °F	July 20, 2019
17	78 °F	July 10, 2013
17	78 °F	July 24, 2012
17	78 °F	July 5, 2012
17	78 °F	August 3, 2011
17	78 °F	July 21, 1998
17	78 °F	June 26, 1998
17	78 °F	July 27, 1997
17	78 °F	July 14, 1997
17	78 °F	July 19, 1996
17	78 °F	July 16, 1988
17	78 °F	July 20, 1980
17	78 °F	July 15, 1980
17	78 °F	July 12, 1980
17	78 °F	July 8, 1980
17	78 °F	August 16, 1954
17	78 °F	July 31, 1954
17	78 °F	July 26, 1940
17	78 °F	August 22, 1936
17	78 °F	August 18, 1936
17	78 °F	August 1, 1897
17	78 °F	June 18, 1897