Highest Daily Low Temperatures in St. Charles History

This is a list of the hottest daily low temperatures ever recorded in St. Charles, Missouri history from 1893–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in St. Charles

The highest low temperature for a calendar day in St. Charles, Missouri history was 85 °F which happened on Thursday, August 26, 1909.

Rank	Temperature	Date
1	85 °F	August 26, 1909
2	83 °F	August 22, 1936
2	83 °F	July 26, 1936
2	83 °F	July 15, 1936
5	82 °F	July 25, 2012
5	82 °F	August 1, 1953
5	82 °F	July 31, 1953
5	82 °F	August 28, 1936
5	82 °F	August 19, 1936
5	82 °F	July 20, 1934
11	81 °F	July 29, 2023
11	81 °F	July 28, 2023
11	81 °F	July 26, 2005
11	81 °F	August 2, 1942
11	81 °F	July 19, 1942
11	81 °F	August 21, 1936
11	81 °F	August 15, 1936
11	81 °F	July 27, 1936
11	81 °F	August 15, 1934
11	81 °F	June 30, 1933
11	81 °F	July 13, 1914