Portland Downtown, OR: Summer

31 August 2026: Summer 2026 averaged 68.5°F in Portland Downtown, OR, the warmest summer since 2025, tied 19th warmest of 150 (with 2024).

Summer 2026

Mean temperature: 68.5°F; Warmest since 2025; 19th warmest of 150
Precipitation: 1.43 in; Driest since 2023; 33rd driest of 153

A normal summer in Portland Downtown, OR (1991 to 2020): a mean temperature of 67.3°F, between 65.4°F and 69.1°F in eight years of ten and 2.30 in of precipitation, between 1.20 in and 3.98 in in eight years of ten.

The mean temperature of every summer in Portland Downtown, OR since 1875: 68.5°F in 2026; the highest is 71.2°F, in 2015.

Normal range, 65.4 to 69.1°F

Every year, ranked, as a table

Every summer in Portland Downtown, OR from 1872 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	68.5	19	79.7	21	57.4	22	1.43	121	0
2025	69.2	9	80.3	9	58.1	11	1.86	105	0
2024	68.5	19	79.5	25	57.4	22	2.15	96	0
2023	69.4	8	80.6	8	58.2	9	1.37	126	0
2022	69.6	6	80.3	9	58.8	4	3.55	42	0
2021	70.1	4	81.3	3	58.8	4	1.79	109	0
2020	67.2	50	77.3	68	57	35	2.96	65	0
2019	67.3	45	77.3	68	57.3	24	1.50	119	0
2018	68.9	14	80	14	57.8	17	1.09	139	0
2017	68.6	17	80	14	57.2	27	1.21	133	0
2016	67.2	50	78	45	56.5	56	2.02	101	1
2015	71.2	1	82.9	2	59.5	2	1.82	107	1
2014	68.6	17	79.1	28	58	13	2.89	69	0
2013	67.6	32	78.4	34	56.9	41	2.06	97	3
2012	65.7	102	75.8	103	55.5	100	3.29	52	0
2011	65.4	113	75	122	55.7	91	2.33	86	1
2010	65.4	113	76.1	97	54.6	125	5.09	12	6
2009	69	12	79.9	16	58	13	2.28	88	0
2008	66.6	74	77.5	59	55.6	94	2.87	70	4
2007	67.3	45	77.5	59	57	35	1.99	103	0
2006	68.2	23	79.6	23	57	35	1.38	124	4
2005	67.2	50	78	45	56.5	56	2.64	77	8
2004	69.1	11	79.8	18	58.3	8	4.23	27	3
2003	69.2	9	81	6	57.2	27	0.08	153	5
2002	67.7	29	79	29	56.4	61	2.39	85	1
2001	65.4	113	76.1	97	54.6	125	2.73	74	3
2000	66.8	67	78	45	55.6	94	1.30	130	6
1999	65.3	117	75.1	121	55.5	100	3.95	35	4
1998	68	26	78.3	37	57.6	20	1.95	104	0
1997	67.4	39	77.5	59	57.1	31	3.81	37	1
1996	68.2	23	79.5	25	56.9	41	1.08	140	7
1995	66.4	81	76.5	91	56.3	64	4.96	13	1
1994	66.6	74	77.5	59	55.7	91	1.31	129	0
1993	64.5	132	73.4	144	55.5	100	3.54	44	0
1992	69.5	7	80.8	7	58.2	9	1.26	131	0
1991	66	93	76.3	94	55.6	94	3.48	46	0
1990	68	26	78.4	34	57.5	21	4.03	32	1
1989	65	124	74.5	130	55.6	94	3.09	59	0
1988	66.2	89	77.2	74	55.1	114	2.57	79	0
1987	67.4	39	78.3	37	56.6	50	2.22	93	0
1986	67.6	32	78.3	37	56.9	41	2.22	93	1
1985	67.6	32	79.4	27	55.8	85	3.39	50	1
1984	65.5	109	76.7	87	54.3	130	4.56	20	1
1983	65.2	119	74.8	127	55.5	100	6.99	1	1
1982	66.3	84	77.6	55	55.1	114	3.74	38	0
1981	67.3	45	78.5	32	56.1	72	4.28	26	0
1980	65	124	75.4	114	54.6	125	3.16	58	0
1979									31
1978	68.4	21	79.7	21	57.1	31	4.94	14	1
1977	67.7	29	79.6	23	55.8	85	5.61	6	0
1976	64.7	128	75	122	54.5	129	4.17	28	0
1975	64.7	128	75.3	115	54	134	4.47	23	0
1974	66.8	67	78.2	43	55.5	100	3.27	54	0
1973									31
1972	68.9	14	79.8	18	58	13	1.34	127	0
1971	67.4	39	77.9	49	56.9	41	2.87	70	0
1970	68.2	23	79.9	16	56.5	56	0.84	148	0
1969	67.3	45	77.5	59	57	35	3.01	62	0
1968	67.2	50	77.3	68	57.1	31	6.66	3	0
1967	71	2	83.1	1	58.9	3	0.91	146	0
1966	66.8	67	77.6	55	56	75	3.05	61	0
1965	67.5	35	78.5	32	56.6	50	2.05	99	0
1964	65.1	121	74.5	130	55.7	91	3.99	33	0
1963	65	124	73.8	143	56.2	68	4.84	16	0
1962	65.5	109	75.5	111	55.5	100	2.40	84	0
1961	69.9	5	81.1	5	58.8	4	1.82	107	0
1960	67	56	77.7	52	56.3	64	1.70	112	0
1959	66.9	61	76.9	82	56.8	46	3.48	46	0
1958	70.4	3	81.2	4	59.6	1	3.17	56	0
1957	65.6	106	75	122	56.1	72	1.60	115	0
1956	66	93	75.9	102	56.2	68	4.39	24	0
1955	64.4	135	74	140	54.8	120	2.46	82	0
1954	62.7	149	71.1	150	54.3	130	5.64	5	0
1953	65.1	121	74.5	130	55.8	85	5.39	9	0
1952	66.7	70	77.5	59	55.9	79	2.28	88	0
1951	67.3	45	78.4	34	56.3	64	0.29	151	0
1950	67.5	35	77.7	52	57.3	24	2.74	73	1
1949	66.2	89	76.3	94	56	75	1.21	133	0
1948	66.3	84	75.5	111	57	35	3.29	52	1
1947	65.5	109	74.5	130	56.5	56	4.52	22	0
1946	66.4	81	75.8	103	56.9	41	3.23	55	0
1945	67.5	35	77.9	49	57	35	1.53	117	0
1944	66.2	89	76	100	56.4	61	0.93	145	0
1943	65.3	117	74.8	127	55.9	79	4.82	17	0
1942	67.9	28	77.6	55	58.1	11	3.48	46	0
1941	68.3	22	78	45	58.6	7	2.68	76	0
1940	69	12	80.1	12	57.9	16	0.52	150	0
1939	66.9	61	77.3	68	56.6	50	4.04	31	0
1938	67.4	39	78.3	37	56.5	56	1.05	141	0
1937	66.9	61	76.7	87	57.2	27	5.49	8	0
1936	67.5	35	77.4	67	57.7	18	2.90	68	0
1935	66.9	61	77.6	55	56.2	68	0.98	144	0
1934	66.9	61	77.2	74	56.6	50	1.40	123	0
1933	66.7	70	77	78	56.4	61	3.46	49	0
1932	66.6	74	76.5	91	56.6	50	1.00	143	0
1931	67.7	29	78.7	31	56.7	47	3.17	56	0
1930	66.3	84	76.8	85	55.8	85	0.75	149	0
1929	66.7	70	77.5	59	55.8	85	2.53	80	0
1928	66.3	84	75.8	103	56.7	47	0.86	147	0
1927	67.4	39	77.5	59	57.3	24	3.98	34	0
1926	68.9	14	80.1	12	57.7	18	2.30	87	0
1925	66.4	81	77	78	55.9	79	1.44	120	0
1924	66	93	76.3	94	55.6	94	1.33	128	0
1923	67	56	76.9	82	57.1	31	3.62	40	0
1922	67	56	77.7	52	56.3	64	2.20	95	0
1921	65.7	102	75.6	108	55.8	85	1.66	114	0
1920	66.6	74	77.3	68	55.9	79	4.54	21	0
1919	65.8	98	76.9	82	54.6	125	1.24	132	0
1918	67.4	39	78.2	43	56.7	47	1.51	118	0
1917	67.1	54	78.3	37	55.9	79	1.18	135	0
1916	64.7	128	74.3	135	55.2	112	4.65	19	0
1915	67.1	54	77	78	57.2	27	3.00	63	0
1914	66.1	92	76.6	89	55.5	100	1.54	116	0
1913	66.5	79	76.4	93	56.6	50	5.24	10	0
1912	65.6	106	75.2	118	56	75	6.90	2	0
1911	65.5	109	75.7	107	55.3	109	1.16	137	0
1910	63.8	143	73.9	141	53.7	140	1.74	110	0
1909	63.8	143	74.3	135	53.4	145	2.48	81	0
1908	65.7	102	76	100	55.3	109	2.06	97	0
1907	65.1	121	74.7	129	55.4	108	4.05	30	0
1906	66.9	61	78.3	37	55.6	94	3.08	60	0
1905	65.4	113	75.8	103	55	117	2.43	83	0
1904	65.8	98	77	78	54.7	124	1.38	124	0
1903	64.8	127	74.3	135	55.3	109	3.32	51	0
1902	64.5	132	75	122	53.9	136	3.00	63	0
1901	63.2	147	72.9	146	53.5	143	1.68	113	0
1900	64.4	135	73.9	141	54.8	120	4.14	29	0
1899	62.4	150	71.4	149	53.4	145	3.59	41	0
1898	65.7	102	75.5	111	56	75	2.82	72	0
1897	65.6	106	75.2	118	56.1	72	2.26	91	0
1896	65.9	97	75.6	108	56.2	68	2.73	74	0
1895	64.4	135	75.2	118	53.7	140	1.17	136	0
1894	65.2	119	75.6	108	54.9	119	2.26	91	2
1893	62.8	148	72.7	148	53	149	1.13	138	0
1892	64.6	131	75.3	115	53.8	138	2.28	88	0
1891	66.3	84	77.2	74	55.5	100	5.24	10	0
1890	64.4	135	75	122	53.9	136	2.95	66	0
1889	67	56	80.3	9	53.8	138	1.41	122	0
1888	66.5	79	77.9	49	55.2	112	6.47	4	0
1887	64.2	139	75.3	115	53.2	148	2.05	99	0
1886	67	56	78.9	30	55.1	114	1.02	142	0
1885	66.7	70	79.8	18	53.5	143	2.01	102	0
1884	66.6	74	77.3	68	55.9	79	3.55	42	0
1883	65.8	98	76.6	89	55	117	0.27	152	0
1882	66	93	77.1	77	54.8	120	2.93	67	0
1881	63.4	145	72.8	147	54	134	5.61	6	0
1880	63.3	146	73.4	144	53.3	147	3.49	45	0
1879	64.2	139	74.2	138	54.2	132	4.90	15	0
1878	64.5	132	76.1	97	52.9	150	1.73	111	0
1877	64.1	141	74.5	130	53.6	142	4.29	25	0
1876	64.1	141	74.2	138	54.1	133	3.87	36	0
1875	65.8	98	76.8	85	54.8	120	2.62	78	0
1874							3.70	39	36
1873							4.82	17	92
1872							1.85	106	92

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	71.2
1967	71
1958	70.4
2021	70.1
1961	69.9
2022	69.6
1992	69.5
2023	69.4
2025	69.2
2003	69.2

Coldest
Year	Mean, °F
1899	62.4
1954	62.7
1893	62.8
1901	63.2
1880	63.3
1881	63.4
1910	63.8
1909	63.8
1877	64.1
1876	64.1

Wettest
Year	Precipitation, in
1983	6.99
1912	6.90
1968	6.66
1888	6.47
1954	5.64
1977	5.61
1881	5.61
1937	5.49
1953	5.39
1913	5.24
More years share the last value

Driest
Year	Precipitation, in
2003	0.08
1883	0.27
1951	0.29
1940	0.52
1930	0.75
1970	0.84
1928	0.86
1967	0.91
1944	0.93
1935	0.98

The hottest, coldest and wettest days

Hottest day: 98°F; 21 July 2026
Coldest night: 48°F; 7 June 2026
Wettest day: 0.45 in; 27 June 2026

Every month, season and year

Months

Seasons

Years

Portland Downtown, OR the day's answers

All-time records

Every answer in words

Summer 2026 brought 1.43 in of precipitation in Portland Downtown, OR, the driest summer since 2023, 33rd driest of 153.
The hottest day of summer 2026 in Portland Downtown, OR: 98°F on Tuesday 21 July 2026.
The coldest night of summer 2026 in Portland Downtown, OR: a low of 48°F on Sunday 7 June 2026.
The wettest day of summer 2026 in Portland Downtown, OR: 0.45 in on Saturday 27 June 2026.