Highest Temperatures in Portland History

This is a list of the 20 highest temperatures ever recorded in Portland, Maine history from 1871–2024 based on data from the NOAA.
What's the hottest it has ever gotten in Portland?
The hottest temperature in Portland, Maine history is 103 °F which has happened twice, most recently on Saturday August 2, 1975.
Rank Temperature Date
1 103 °F August 2, 1975
1 103 °F July 4, 1911
3 101 °F July 1, 1913
4 100 °F July 22, 2011
4 100 °F August 27, 1948
4 100 °F August 26, 1948
4 100 °F July 22, 1926
8 99 °F August 12, 2016
8 99 °F July 21, 1977
8 99 °F August 13, 1947
8 99 °F August 12, 1944
8 99 °F August 11, 1944
13 98 °F July 10, 1993
13 98 °F June 28, 1991
13 98 °F August 1, 1975
13 98 °F July 30, 1949
13 98 °F August 28, 1948
13 98 °F August 15, 1947
13 98 °F July 2, 1941
13 98 °F July 8, 1937
13 98 °F August 6, 1931
13 98 °F July 4, 1919
13 98 °F July 12, 1908
Weather Station Details
Years Station Coordinates
1940–2024 Portland International JetPort location
1871–1940 Portland location