Highest Daily Low Temperatures in Fort Smith History

This is a list of the hottest daily low temperatures ever recorded in Fort Smith, Northwest Territories history from 1942–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Fort Smith

The highest low temperature for a calendar day in Fort Smith, Northwest Territories history was 21.5 °C which happened on Thursday, July 19, 2007.

Rank	Temperature	Date
1	21.5 °C	July 19, 2007
2	21.1 °C	July 14, 1945
3	19.6 °C	June 29, 2007
3	19.6 °C	June 16, 2006
3	19.6 °C	July 1, 1979
6	19.4 °C	July 20, 2007
6	19.4 °C	July 22, 1997
8	19.0 °C	July 18, 2007
8	19.0 °C	July 16, 1989
10	18.9 °C	July 10, 1964
10	18.9 °C	June 27, 1955
12	18.8 °C	August 10, 2008
13	18.6 °C	June 17, 2006
14	18.5 °C	August 4, 1998
14	18.5 °C	July 12, 1998
16	18.3 °C	August 3, 1971
17	18.2 °C	July 19, 2001
18	18.1 °C	July 24, 2014
19	18.0 °C	June 30, 2013
19	18.0 °C	July 17, 2001
19	18.0 °C	August 5, 1991