All-time weather records — Portland, TX

Record high
106.0°F
August 29, 2011
Record low
16.0°F
February 16, 2021
Wettest day
8.62 in
June 1, 2006

Climate change signal in Portland

56.3%

of Portland's all-time daily heat records were set in the last decade (206 of 366 records since 2015).

35%

of all-time daily cold records were set in the last decade (128 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 #
2000s
92
97
2010s
118
215
2020s
156
54

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 2004, the latest in 2026. Period of observation: 2004-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 91.9°F — Jan 22, 2017 21.9°F — Jan 22, 2025 2.02 in — Jan 16, 2011
February 93.9°F — Feb 26, 2026 16.0°F — Feb 16, 2021 2.40 in — Feb 5, 2012
March 99.0°F — Mar 29, 2008 30.0°F — Mar 4, 2014 4.12 in — Mar 10, 2016
April 100.0°F — Apr 28, 2014 37.9°F — Apr 8, 2007 3.07 in — Apr 23, 2023
May 100.0°F — May 10, 2006 48.0°F — May 3, 2013 5.31 in — May 16, 2016
June 102.9°F — Jun 21, 2023 66.0°F — Jun 1, 2005 8.62 in — Jun 1, 2006
July 102.0°F — Jul 14, 2019 69.1°F — Jul 26, 2019 5.00 in — Jul 8, 2021
August 106.0°F — Aug 29, 2011 68.0°F — Aug 28, 2015 4.90 in — Aug 22, 2023
September 105.1°F — Sep 4, 2011 55.0°F — Sep 30, 2020 6.78 in — Sep 20, 2010
October 98.1°F — Oct 18, 2012 39.0°F — Oct 30, 2017 6.09 in — Oct 1, 2021
November 91.0°F — Nov 6, 2017 30.0°F — Nov 28, 2011 3.60 in — Nov 26, 2005
December 90.0°F — Dec 1, 2019 21.0°F — Dec 23, 2022 3.68 in — Dec 21, 2019

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