Highest Daily Low Temperatures in Port Arthur History

This is a list of the hottest daily low temperatures ever recorded in Port Arthur, Texas history from 1947–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Port Arthur

The highest low temperature for a calendar day in Port Arthur, Texas history was 84 °F which happened on Sunday, June 23, 2019.

Rank	Temperature	Date
1	84 °F	June 23, 2019
2	82 °F	August 22, 2023
2	82 °F	June 22, 2019
2	82 °F	September 12, 1978
2	82 °F	October 1, 1977
6	81 °F	September 1, 2020
6	81 °F	June 21, 2019
6	81 °F	July 5, 2016
6	81 °F	August 19, 2011
6	81 °F	June 18, 2011
6	81 °F	June 17, 2011
6	81 °F	June 18, 1998
6	81 °F	June 17, 1998
6	81 °F	July 2, 1992
6	81 °F	August 15, 1980
6	81 °F	August 9, 1980
6	81 °F	September 18, 1978
6	81 °F	September 3, 1970
6	81 °F	June 26, 1969
6	81 °F	June 25, 1969
6	81 °F	June 23, 1969
6	81 °F	June 15, 1958