Portland, OR: Summer

31 August 2026: Summer 2026 averaged 69.5°F in Portland, OR, the warmest summer since 2025, tied 11th warmest of 86 (with 2004).

Summer 2026

Mean temperature: 69.5°F; Warmest since 2025; 11th warmest of 86
Precipitation: 1.39 in; Driest since 2021; 10th driest of 86

A normal summer in Portland, OR (1991 to 2020): a mean temperature of 68.3°F, between 65.8°F and 69.7°F in eight years of ten and 2.36 in of precipitation, between 1.39 in and 4.49 in in eight years of ten.

The mean temperature of every summer in Portland, OR since 1941: 69.5°F in 2026; the highest is 72.2°F, in 2015.

Normal range, 65.8 to 69.7°F

Every year, ranked, as a table

Every summer in Portland, OR from 1941 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
2026	69.5	11	80.9	14	58.1	13	1.39	77
2025	70.3	7	81.9	8	58.8	6	2.85	44
2024	70.8	5	82.7	5	58.9	5	2.02	59
2023	71.8	3	83.8	3	59.8	3	1.83	65
2022	71.4	4	82.6	7	60.2	1	3.26	31
2021	72.1	2	84	2	60.1	2	1.30	78
2020	68.5	25	79.3	32	57.8	16	3.94	17
2019	69.3	14	79.9	26	58.7	8	2.48	49
2018	70.7	6	82.7	5	58.6	9	1.11	80
2017	69.7	9	81.8	9	57.6	18	1.14	79
2016	69.1	17	80.2	21	57.9	15	2.17	55
2015	72.2	1	84.6	1	59.8	3	1.63	69
2014	69.6	10	80.7	15	58.4	11	3.39	28
2013	68.9	19	79.8	27	58	14	2.13	56
2012	66.8	46	77.1	58	56.5	31	4.31	13
2011	66.1	57	75.9	67	56.3	35	1.86	64
2010	65.4	68	75.8	68	55	59	5.09	5
2009	69.8	8	80.7	15	58.8	6	2.40	51
2008	66.8	46	77.6	51	56	44	2.52	48
2007	67.3	36	77.5	53	57.2	24	2.09	57
2006	68.8	21	80	25	57.7	17	1.49	74
2005	67.7	33	78.4	38	57	27	3.67	22
2004	69.5	11	80.5	18	58.5	10	3.84	19
2003	69.3	14	81.3	12	57.3	21	0.50	85
2002	67.9	32	79.4	31	56.5	31	1.80	67
2001	65.6	63	76	66	55.3	56	3.48	27
2000	67	43	77.8	47	56.1	43	1.46	75
1999	65.8	60	75.4	73	56.2	38	2.99	40
1998	68.5	25	78.7	35	58.3	12	2.32	53
1997	67.7	33	77.9	46	57.5	19	4.93	6
1996	68.6	23	80.2	21	56.9	28	1.42	76
1995	67.2	39	78.3	39	56.2	38	4.66	8
1994	68.1	28	80.2	21	56	44	1.87	63
1993	65.1	74	74.7	78	55.5	53	4.47	12
1992	69.1	17	81.4	10	56.9	28	1.76	68
1991	66.7	49	77.5	53	55.8	50	3.08	36
1990	68.6	23	79.7	28	57.4	20	3.21	32
1989	65.3	72	75.1	75	55.4	55	2.76	46
1988	66.3	55	78.3	39	54.2	69	3.13	35
1987	68.1	28	80.3	20	55.9	49	1.52	72
1986	68	31	79.7	28	56.3	35	1.53	71
1985	69.3	14	81.4	10	57.2	24	3.37	29
1984	66.9	45	77.8	47	56	44	4.15	16
1983	66.1	57	75	77	57.3	21	6.92	1
1982	67.3	36	78.1	42	56.5	31	4.26	14
1981	67.2	39	78.1	42	56.2	38	3.62	24
1980	65.3	72	75.4	73	55.3	56	3.08	36
1979	68.1	28	79.6	30	56.6	30	2.07	58
1978	67	43	77.8	47	56.2	38	5.10	4
1977	67.3	36	79.1	34	55.5	53	4.48	11
1976	64.4	79	74.6	79	54.2	69	4.73	7
1975	65.4	68	75.8	68	55	59	3.66	23
1974	66.8	46	78	44	55.6	52	2.88	43
1973	66.7	49	78.5	36	55	59	2.92	42
1972	68.9	19	81.3	12	56.5	31	1.91	62
1971	67.1	41	78.3	39	55.8	50	2.97	41
1970	67.7	33	80.6	17	54.9	62	0.54	84
1969	66.4	53	77.5	53	55.3	56	3.17	33
1968	65.5	66	76.6	62	54.5	65	6.87	2
1967	69.4	13	82.8	4	56	44	1.01	81
1966	65.4	68	77.3	57	53.6	79	2.80	45
1965	66.7	49	79.2	33	54.3	67	2.00	60
1964	62.3	85	73.2	84	51.4	86	3.54	25
1963	63.1	84	72.3	85	53.8	76	3.75	20
1962	64.7	77	76.1	65	53.2	83	2.33	52
1961	68.3	27	80.5	18	56.2	38	1.96	61
1960	65.9	59	77.6	51	54.1	72	1.52	72
1959	65.6	63	76.5	64	54.8	63	3.03	39
1958	68.7	22	80.2	21	57.3	21	3.06	38
1957	64	81	74.5	81	53.6	79	1.61	70
1956	64.2	80	74.6	79	53.8	76	4.60	9
1955	63.2	83	73.4	83	53	84	2.72	47
1954	61.5	86	70.2	86	52.8	85	6.74	3
1953	63.5	82	73.6	82	53.4	82	3.86	18
1952	65.4	68	76.7	60	54.1	72	2.41	50
1951	65.7	62	77.8	47	53.7	78	0.33	86
1950	65.8	60	77.4	56	54.2	69	3.72	21
1949	64.7	77	75.8	68	53.6	79	1.83	65
1948	66.4	53	75.6	71	57.2	24	3.29	30
1947	64.9	75	75.1	75	54.7	64	4.16	15
1946	65.6	63	76.6	62	54.5	65	3.17	33
1945	66.3	55	78.5	36	54	75	0.95	82
1944	65.5	66	76.7	60	54.3	67	0.90	83
1943	64.8	76	75.6	71	54.1	72	4.51	10
1942	66.5	52	77.1	58	56	44	3.51	26
1941	67.1	41	78	44	56.3	35	2.29	54

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	72.2
2021	72.1
2023	71.8
2022	71.4
2024	70.8
2018	70.7
2025	70.3
2009	69.8
2017	69.7
2014	69.6

Coldest
Year	Mean, °F
1954	61.5
1964	62.3
1963	63.1
1955	63.2
1953	63.5
1957	64
1956	64.2
1976	64.4
1962	64.7
1949	64.7

Wettest
Year	Precipitation, in
1983	6.92
1968	6.87
1954	6.74
1978	5.10
2010	5.09
1997	4.93
1976	4.73
1995	4.66
1956	4.60
1943	4.51

Driest
Year	Precipitation, in
1951	0.33
2003	0.50
1970	0.54
1944	0.90
1945	0.95
1967	1.01
2018	1.11
2017	1.14
2021	1.30
2026	1.39

The hottest, coldest and wettest days

Hottest day: 100°F; 21 July 2026
Coldest night: 49°F; 11 June 2026
Wettest day: 0.37 in; 8 June 2026

Every month, season and year

Months

Seasons

Years

Portland, OR the day's answers

All-time records

Every answer in words

Summer 2026 brought 1.39 in of precipitation in Portland, OR, the driest summer since 2021, 10th driest of 86.
The hottest day of summer 2026 in Portland, OR: 100°F on Tuesday 21 July 2026.
The coldest night of summer 2026 in Portland, OR: a low of 49°F on Thursday 11 June 2026.
The wettest day of summer 2026 in Portland, OR: 0.37 in on Monday 8 June 2026.