Portland, ME: Summer

31 August 2026: Summer 2026 averaged 69.3°F in Portland, ME, the warmest summer since 2020, tied 3rd warmest of 153 (with 1882).

Summer 2026

Mean temperature: 69.3°F; Warmest since 2020; 3rd warmest of 153
Precipitation: 8.65 in; Driest since 2025; 63rd driest of 155

A normal summer in Portland, ME (1991 to 2020): a mean temperature of 67.5°F, between 65.7°F and 68.8°F in eight years of ten and 10.40 in of precipitation, between 6.17 in and 18.99 in in eight years of ten.

The mean temperature of every summer in Portland, ME since 1874: 69.3°F in 2026; the highest is 70.5°F, in 2020.

Normal range, 65.7 to 68.8°F

Every year, ranked, as a table

Every summer in Portland, ME from 1871 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	69.3	3	79.3	5	59.3	18	8.65	93	0
2025	67.9	30	77.8	24	58	46	5.23	150	0
2024	69.2	5	78.2	16	60.1	9	10.10	55	0
2023	66.8	58	74.5	98	59	25	17.23	7	0
2022	69.1	6	79.1	8	59.2	21	9.53	67	0
2021	69	7	78.1	19	60	12	12.58	26	0
2020	70.5	1	80	1	61.1	2	7.96	106	0
2019	68.4	21	77.8	24	58.9	27	12.85	24	0
2018	68.9	10	78.4	13	59.4	17	10.72	47	0
2017	67.3	41	77.3	38	57.2	78	6.66	133	0
2016	69	7	79.3	5	58.6	36	8.02	105	0
2015	67	50	75.9	70	58	46	10.15	54	0
2014	66.9	57	76.3	59	57.5	69	18.98	4	0
2013	68.1	24	77.2	41	58.9	27	12.42	27	0
2012	68.5	16	77.4	34	59.6	16	19.15	2	0
2011	67.8	31	76.9	48	58.7	34	13.45	21	0
2010	68.8	11	78.6	12	58.9	27	10.48	49	0
2009	65.7	93	73.7	119	57.7	60	22.31	1	0
2008	67.1	48	76	67	58.3	43	14.87	15	0
2007	66.5	65	76.3	59	56.7	86	11.18	39	0
2006	68	27	76.7	52	59.3	18	17.20	8	0
2005	68.1	24	77.7	26	58.5	39	10.32	51	0
2004	65.1	114	73.8	116	56.3	99	12.16	33	0
2003	67	50	76.1	64	58	46	5.75	146	0
2002	67	50	77	46	57	80	8.99	86	0
2001	67.7	34	77.6	29	57.7	60	8.70	91	0
2000	66	79	75.5	79	56.6	91	7.90	108	0
1999	68.5	16	79	9	57.9	53	4.10	155	0
1998	66.6	61	75.9	70	57.4	71	15.96	9	0
1997	66.6	61	77.3	38	55.8	115	6.92	126	0
1996	65.6	96	74.8	91	56.5	95	8.49	94	0
1995	67.2	45	77.6	29	56.9	83	6.21	138	0
1994	68.3	22	78.3	15	58.3	43	5.80	144	0
1993	68	27	78.1	19	57.8	56	6.83	128	0
1992	65.3	108	75.1	89	55.6	119	10.64	48	0
1991	68.5	16	79.3	5	57.7	60	19.04	3	0
1990	67.5	36	77.1	44	58	46	9.22	75	0
1989	67.1	48	76.8	49	57.4	71	8.72	90	0
1988	68.7	13	79	9	58.4	41	13.49	20	0
1987	66	79	75.9	70	56	107	9.28	72	0
1986	64.5	130	74.1	107	54.8	133	9.22	75	0
1985	66.1	76	75.9	70	56.2	104	9.22	75	0
1984	67.5	36	77.3	38	57.8	56	9.82	61	0
1983	67	50	78.1	19	56	107	8.24	100	0
1982	64	137	73.7	119	54.3	138	12.71	25	0
1981	66.2	72	76.1	64	56.4	97	12.34	28	0
1980	67.3	41	77.6	29	57	80	7.47	116	0
1979	65.6	96	75.3	83	56	107	13.40	22	0
1978	65.9	84	76.5	55	55.3	125	6.45	137	0
1977	64.6	127	74.6	95	54.7	134	9.00	84	0
1976	65.7	93	76.5	55	55	130	13.88	19	0
1975	66.2	72	76.1	64	56.3	99	10.82	46	0
1974	65.8	91	76	67	55.7	117	9.80	62	0
1973	68.6	14	77.4	34	59.8	13	10.05	56	0
1972	64.2	132	73.9	112	54.5	136	7.09	123	0
1971	67.4	39	78.7	11	56.1	105	7.47	116	0
1970	67.5	36	78.2	16	56.8	84	8.98	88	0
1969	67.2	45	76.5	55	58	46	11.18	39	0
1968	65.5	101	75.9	70	55.1	128	6.69	129	0
1967	65.9	84	75.2	84	56.6	91	12.26	30	0
1966	65.7	93	77	46	54.3	138	8.99	86	0
1965	65.3	108	77.7	26	53	147	4.72	153	0
1964	63.7	143	75.2	84	52.2	153	7.25	121	0
1963	65	117	76.8	49	53.1	143	7.71	112	0
1962	63.7	143	74.7	93	52.6	149	8.41	97	0
1961	64.9	120	76.2	61	53.6	141	8.23	102	0
1960	65.5	101	77.4	34	53.7	140	6.55	136	0
1959	65.9	84	76.2	61	55.5	121	8.91	89	0
1958	63.9	139	74.6	95	53.1	143	9.39	70	0
1957	64.8	123	77.2	41	52.4	151	4.52	154	0
1956	64.2	132	75.8	76	52.6	149	6.12	141	0
1955	67.4	39	78.4	13	56.4	97	7.38	119	0
1954	63.7	143	74.4	99	53	147	10.94	43	0
1953	65.3	108	78.2	16	52.4	151	6.65	134	0
1952	68	27	80	1	56	107	9.72	64	0
1951	65	117	75.2	84	54.9	131	11.32	38	0
1950	65.4	105	77.6	29	53.1	143	6.97	125	0
1949	68.2	23	79.8	3	56.6	91	4.98	152	0
1948	66.4	67	77.4	34	55.5	121	6.21	138	0
1947	66.6	61	77.6	29	55.5	121	7.25	121	0
1946	63.9	139	74.1	107	53.6	141	12.19	31	0
1945	64.8	123	75.2	84	54.5	136	9.65	65	0
1944	66.8	58	78.1	19	55.6	119	9.04	83	0
1943	66.2	72	76.6	54	55.8	115	9.47	69	0
1942	65.2	112	75.6	78	54.9	131	11.98	35	0
1941	65.4	105	77.7	26	53.1	143	5.66	147	0
1940	64.9	120	72.8	133	57	80	7.46	118	0
1939	66.4	67	73.9	112	58.8	32	10.89	44	1
1938	68.1	24	75.8	76	60.3	6	11.07	42	0
1937	69	7	76.7	52	61.4	1	6.69	129	0
1936	65.6	96	73.5	125	57.7	60	5.49	148	0
1935	67.8	31	75.5	79	60.1	9	11.76	36	1
1934	65.9	84	73.9	112	57.9	53	7.96	106	0
1933	66.5	65	73.8	116	59.2	21	6.98	124	0
1932	67.2	45	75.5	79	58.8	32	9.75	63	0
1931	67.3	41	74.8	91	59.8	13	11.53	37	0
1930	67	50	74.6	95	59.3	18	8.17	103	0
1929	65.1	114	73.7	119	56.5	95	8.11	104	0
1928	66.2	72	73.8	116	58.6	36	9.05	81	0
1927	63.7	143	71.5	148	56	107	12.16	33	0
1926	63.5	148	71.6	146	55.3	125	5.76	145	0
1925	66.4	67	75.1	89	57.8	56	6.68	131	0
1924	65.6	96	73.9	112	57.3	75	7.52	115	0
1923	64.9	120	73.1	128	56.7	86			0
1922	65.9	84	72.9	130	58.9	27	15.72	11	0
1921	66	79	74.4	99	57.7	60	8.49	94	0
1920	65.8	91	73.3	127	58.4	41	9.96	59	1
1919	65.5	101	73.7	119	57.3	75	5.18	151	0
1918	63.7	143	71.4	149	56	107	10.31	52	0
1917	64.7	125	72.1	140	57.3	75	17.56	6	0
1916	64.2	132	71.8	142	56.7	86	12.28	29	0
1915	62.5	152	69.8	152	55.1	128	18.43	5	0
1914	63.5	148	71.6	146	55.5	121	9.25	73	0
1913	65.5	101	74.4	99	56.7	86	5.85	143	0
1912	64.2	132	72.7	135	55.7	117	5.31	149	0
1911	65.9	84	74	110	57.9	53	10.01	58	0
1910	65.1	114	73.5	125	56.8	84	7.69	113	0
1909	65.9	84	74.4	99	57.4	71	6.15	140	0
1908	66.6	61	75.2	84	58.1	45	6.84	127	0
1907	63.8	142	71.7	143	55.9	113	9.25	73	0
1906	66.1	76	74.1	107	58	46	13.23	23	0
1905	64	137	71.7	143	56.3	99	9.51	68	0
1904	63.9	139	72	141	55.9	113	7.72	111	0
1903	61.6	153	68.7	153	54.6	135	9.88	60	0
1902	62.9	151	70.4	151	55.3	125	10.35	50	0
1901	67	50	74.7	93	59.2	21	8.40	98	0
1900	67.3	41	75.9	70	58.7	34	6.67	132	0
1899	66	79	74.3	105	57.7	60	6.62	135	0
1898	66.3	70	73.6	123	59	25	9.64	66	0
1897	63.5	148	70.6	150	56.3	99	9.00	84	0
1896	65.6	96	73.6	123	57.5	69	7.90	108	0
1895	65.2	112	72.8	133	57.7	60	10.28	53	0
1894	66	79	74.4	99	57.6	68	8.24	100	0
1893	65.3	108	73.1	128	57.4	71	7.32	120	0
1892	66.3	70	74	110	58.5	39	15.42	13	0
1891	64.1	136	71.7	143	56.6	91	8.70	91	0
1890	64.7	125	72.4	138	57.1	79	11.10	41	0
1889	65	117	72.4	138	57.7	60	9.12	79	0
1888	64.6	127	72.9	130	56.3	99	9.05	81	0
1887	65.4	105	72.9	130	58	46	15.33	14	0
1886	64.3	131	72.5	137	56.1	105	9.22	75	0
1885	66.1	76	74.4	99	57.8	56	15.60	12	0
1884	67.8	31	76	67	59.7	15	12.17	32	0
1883	68.5	16	76.8	49	60.1	9	8.35	99	0
1882	69.3	3	78	23	60.6	5	5.86	142	0
1881	66.7	60	74.2	106	59.1	24	9.35	71	0
1880	68.8	11	77.2	41	60.3	6	8.47	96	0
1879	67	50	75.5	79	58.6	36	14.14	16	0
1878	68.6	14	77.1	44	60.2	8	7.62	114	0
1877	68.5	16	76.2	61	60.8	4	14.14	16	0
1876	70.3	2	79.8	3	60.9	3	9.09	80	0
1875	67.7	34	76.5	55	58.9	27	10.02	57	0
1874	64.6	127	72.6	136	56.7	86	13.90	18	0
1873							7.75	110	92
1872							15.89	10	92
1871							10.88	45	92

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2020	70.5
1876	70.3
2026	69.3
1882	69.3
2024	69.2
2022	69.1
2021	69
2016	69
1937	69
2018	68.9

Coldest
Year	Mean, °F
1903	61.6
1915	62.5
1902	62.9
1926	63.5
1914	63.5
1897	63.5
1964	63.7
1962	63.7
1954	63.7
1927	63.7
More years share the last value

Wettest
Year	Precipitation, in
2009	22.31
2012	19.15
1991	19.04
2014	18.98
1915	18.43
1917	17.56
2023	17.23
2006	17.20
1998	15.96
1872	15.89

Driest
Year	Precipitation, in
1999	4.10
1957	4.52
1965	4.72
1949	4.98
1919	5.18
2025	5.23
1912	5.31
1936	5.49
1941	5.66
2003	5.75

The hottest, coldest and wettest days

Hottest day: 96°F; 2 July 2026
Coldest night: 41°F; 2 June 2026
Wettest day: 1.66 in; 23 June 2026

Every month, season and year

Months

Seasons

Years

Portland, ME the day's answers

All-time records

Every answer in words

Summer 2026 brought 8.65 in of precipitation in Portland, ME, the driest summer since 2025, 63rd driest of 155.
The hottest day of summer 2026 in Portland, ME: 96°F on Thursday 2 July 2026.
The coldest night of summer 2026 in Portland, ME: a low of 41°F on Tuesday 2 June 2026.
The wettest day of summer 2026 in Portland, ME: 1.66 in on Tuesday 23 June 2026.