Highest Daily Low Temperatures in Thermopolis History

This is a list of the hottest daily low temperatures ever recorded in Thermopolis, Wyoming history from 1899–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Thermopolis

The highest low temperature for a calendar day in Thermopolis, Wyoming history was 77 °F which happened on Friday, August 18, 2023.

Rank	Temperature	Date
1	77 °F	August 18, 2023
2	76 °F	July 25, 1994
2	76 °F	June 30, 1900
4	75 °F	August 4, 2001
4	75 °F	July 20, 1920
4	75 °F	July 17, 1920
7	74 °F	July 24, 2014
7	74 °F	July 27, 2000
7	74 °F	August 23, 1995
7	74 °F	July 17, 1910
11	73 °F	July 20, 2021
11	73 °F	July 18, 2011
11	73 °F	August 6, 1957
11	73 °F	July 18, 1932
11	73 °F	July 18, 1910
11	73 °F	August 23, 1903
17	72 °F	July 21, 2014
17	72 °F	July 19, 2011
17	72 °F	July 6, 2007
17	72 °F	July 9, 2000
17	72 °F	August 21, 1903