All-time weather records — Portland, IN

Record high
123.1°F
December 25, 1986
Record low
-29.0°F
January 20, 1985
Wettest day
4.30 in
July 14, 2015

Climate change signal in Portland

23.5%

of Portland's all-time daily heat records were set in the last decade (86 of 366 records since 2015).

11.7%

of all-time daily cold records were set in the last decade (43 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1940s
·
·
1950s
·
·
1960s
2
24
1970s
26
79
1980s
84
103
1990s
78
73
2000s
42
20
2010s
89
42
2020s
45
25

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1964, the latest in 2026. Period of observation: 1946-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 8, 2008 -29.0°F — Jan 20, 1985 3.10 in — Jan 12, 2005
February 73.0°F — Feb 21, 2018 -16.1°F — Feb 3, 1985 2.72 in — Feb 28, 2011
March 84.9°F — Mar 22, 2012 -13.0°F — Mar 9, 1984 2.35 in — Mar 11, 1952
April 87.1°F — Apr 27, 1986 10.0°F — Apr 7, 1982 3.27 in — Apr 11, 2013
May 91.9°F — May 28, 2012 8.1°F — May 23, 2005 3.24 in — May 27, 1946
June 104.0°F — Jun 29, 2012 37.9°F — Jun 5, 1990 4.19 in — Jun 8, 1958
July 102.0°F — Jul 7, 2012 33.1°F — Jul 15, 2005 4.30 in — Jul 14, 2015
August 100.0°F — Aug 18, 1988 37.9°F — Aug 14, 1964 4.00 in — Aug 5, 1998
September 96.1°F — Sep 1, 2024 28.0°F — Sep 23, 1995 3.00 in — Sep 17, 1969
October 91.0°F — Oct 3, 2014 17.1°F — Oct 28, 1976 2.92 in — Oct 25, 2021
November 79.0°F — Nov 2, 2016 3.0°F — Nov 12, 2019 2.20 in — Nov 14, 1951
December 123.1°F — Dec 25, 1986 -20.9°F — Dec 22, 1989 3.10 in — Dec 22, 2013

Click a month to see every daily record for that month in Portland.