Lowest Daily High Temperatures in Portland History

This is a list of the coldest daily high temperatures ever recorded in Portland, Maine history from 1871–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in Portland

The lowest high temperature for a calendar day in Portland, Maine history was -4 °F which happened on Tuesday, February 5, 1918.

Rank	Temperature	Date
1	-4 °F	February 5, 1918
2	-3 °F	January 15, 1957
2	-3 °F	December 29, 1917
4	-2 °F	February 15, 1943
5	-1 °F	December 29, 1933
6	0 °F	January 4, 1981
6	0 °F	January 27, 1924
6	0 °F	December 30, 1917
9	1 °F	January 14, 2004
9	1 °F	January 8, 1968
9	1 °F	January 4, 1904
9	1 °F	February 6, 1895
13	2 °F	February 9, 1934
13	2 °F	February 12, 1914
13	2 °F	January 13, 1914
13	2 °F	January 7, 1912
13	2 °F	January 17, 1907
13	2 °F	January 28, 1888
13	2 °F	December 30, 1886
20	3 °F	January 15, 2004
20	3 °F	February 6, 1995
20	3 °F	January 19, 1971
20	3 °F	January 28, 1918
20	3 °F	January 2, 1904
20	3 °F	January 19, 1901
20	3 °F	January 6, 1896
20	3 °F	January 12, 1886