Portland Downtown, OR: records

2 October 2026: The hottest day on record in Portland Downtown, OR: 114°F on Monday 28 June 2021.

Last updated 2 October 2026. This page normally updates every day; the latest update is late.

The record begins: 1872

All-time records

The coldest night on record in Portland Downtown, OR: a low of -2°F on Sunday 15 January 1888.
The wettest day on record in Portland Downtown, OR: 6.68 in on Wednesday 13 December 1882.
The warmest night on record in Portland Downtown, OR: a low of 77°F on Monday 28 June 2021 and Thursday 17 July 1941.
The coldest day on record in Portland Downtown, OR: a high of 9°F on Sunday 15 January 1888.

Records by month

Month	Highest	Lowest	Wettest day
January	65°F 18 January 2005, 24 January 1935	-2°F 15 January 1888	5.55 in 6 January 1883
February	75°F 29 February 1968	7°F 2 February 1950, 12 February 1884, 5 February 1883	3.81 in 2 February 1890
March	83°F 28 March 1930	20°F 2 March 1896	2.39 in 25 March 1916
April	93°F 27 April 1926	28°F 7 April 1875	1.83 in 12 April 1937
May	103°F 28 May 1983	32°F 9 May 1894	1.65 in 15 May 1908
June	114°F 28 June 2021	39°F 6 June 1899, 4 June 1875	2.03 in 7 June 1927
July	107°F 2 July 1942	43°F 13 July 1904	1.27 in 8 July 1974
August	106°F 10 August 1981	43°F 29 August 1876, 28 August 1876	1.36 in 25 August 1977
September	103°F 2 September 1988	35°F 25 September 1908, 24 September 1908	2.41 in 17 September 1969
October	92°F 1 October 1987	29°F 31 October 1935, 30 October 1935	3.20 in 27 October 1994
November	73°F 2 November 1890	11°F 29 November 1896	3.60 in 26 November 1883
December	67°F 10 December 1993	3°F 13 December 1919, 23 December 1879	6.68 in 13 December 1882

Streaks, months and years

The longest run of days with a high of 90°F or above in Portland Downtown, OR: 9 days, from Sunday 26 July to Monday 3 August 2009.
The longest run of days with a high of 32°F or below in Portland Downtown, OR: 19 days, from Wednesday 8 January to Sunday 26 January 1930.
The wettest month on record in Portland Downtown, OR: December 1882, with 20.14 in of precipitation.
The driest month on record in Portland Downtown, OR: July 2021, with 0.00 in of precipitation (shared with 8 other months).
The wettest year on record in Portland Downtown, OR: 1996, with 71.64 in of precipitation.
The driest year on record in Portland Downtown, OR: 1929, with 26.20 in of precipitation.

Daily records by decade

New daily records set in Portland Downtown, OR by decade since the 1900s: the most record highs, 82, came in the 1900s; the most record lows, 36, in the 1910s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1870s	0	0	8
1880s	0	0	10
1890s	0	0	10
1900s	82	33	10
1910s	73	36	10
1920s	65	23	10
1930s	63	17	10
1940s	59	5	10
1950s	50	19	10
1960s	45	11	10
1970s	43	21	10
1980s	34	11	10
1990s	32	7	10
2000s	31	3	10
2010s	19	5	10
2020s	21	5	7

Portland Downtown, OR