Eureka, CA: Summer

31 August 2026: Summer 2026 averaged 58°F in Eureka, CA, the warmest summer since 2023, tied 23rd warmest of 140 (with 2023, 2020, 2017 and 2 other years).

Summer 2026

Mean temperature: 58°F; Warmest since 2023; 23rd warmest of 140
Precipitation: 0.76 in; Driest since 2025; 69th driest of 140

A normal summer in Eureka, CA (1991 to 2020): a mean temperature of 57.9°F, between 57°F and 59.4°F in eight years of ten and 0.66 in of precipitation, between 0.31 in and 2.19 in in eight years of ten.

The mean temperature of every summer in Eureka, CA since 1887: 58°F in 2026; the highest is 60.2°F, in 1983.

Normal range, 57 to 59.4°F

Every year, ranked, as a table

Every summer in Eureka, CA from 1887 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	58	23	63.3	25	52.7	27	0.76	70	0
2025	57.4	40	62.7	41	52.2	45	0.18	128	0
2024	57.8	31	63.7	20	51.9	63	2.31	13	0
2023	58	23	63.1	31	52.9	20	0.36	107	0
2022	58.7	11	64.3	10	53.1	18	2.40	11	0
2021	57	51	62.5	43	51.6	77	1.30	46	0
2020	58	23	64.1	13	51.8	67	0.31	116	0
2019	59.4	6	65.7	4	53.2	15	0.18	128	0
2018	57.3	44	62.6	42	52	55	0.78	69	0
2017	58	23	63.1	31	52.9	20	0.71	75	0
2016	57.4	40	62.9	37	52	55	0.60	81	0
2015	59.8	2	65.5	5	54.1	2	0.60	81	0
2014	58.1	19	63.4	23	52.8	25	0.39	103	0
2013	57.8	31	63.4	23	52.2	45	0.51	91	0
2012	56.2	73	61.3	60	51.1	104	2.74	7	0
2011	57.1	49	62.3	46	51.9	63	1.50	39	0
2010	56	80	61.2	62	50.8	111	2.50	9	0
2009	57.6	38	63	33	52.2	45	0.26	124	0
2008	56.5	67	61.9	50	51	106	0.73	73	0
2007	59.1	8	65.2	7	53	19	1.51	38	0
2006	57.7	35	63.2	28	52.3	40	0.39	103	0
2005	57.7	35	62.9	37	52.5	31	3.20	5	0
2004	59.8	2	65.8	3	53.8	8	0.55	85	0
2003	59.1	8	65.4	6	52.7	27	0.55	85	0
2002	57.3	44	63.3	25	51.3	99	0.32	112	0
2001	57.6	38	63.6	21	51.6	77	1.10	58	0
2000	58.1	19	64.1	13	52.1	51	0.58	83	0
1999	57.2	46	62.5	43	51.8	67	0.49	94	0
1998	58	23	63	33	52.9	20	0.50	93	0
1997	59.6	4	65.9	2	53.3	14	2.09	20	0
1996	57	51	62.9	37	51	106	0.08	136	0
1995	58.2	17	64.1	13	52.4	37	2.15	17	0
1994	58.5	13	63.8	17	53.2	15	0.79	68	0
1993	58.4	15	63.8	17	52.9	20	2.14	18	0
1992	59.3	7	64.5	9	54.2	1	1.53	37	0
1991	57	51	61.9	50	52.2	45	1.76	29	0
1990	59.5	5	64.8	8	54.1	2	1.25	50	0
1989	58.8	10	63.8	17	53.7	9	0.42	101	0
1988	58	23	63.2	28	52.8	25	2.27	14	0
1987	58.6	12	63.3	25	53.9	6	0.52	89	0
1986	57.8	31	64.2	11	51.5	80	0.23	127	0
1985	57.9	29	64.2	11	51.5	80	1.56	36	0
1984	57.7	35	63.5	22	51.8	67	1.15	54	0
1983	60.2	1	66.4	1	53.9	6	4.96	2	0
1982	57.9	29	63.9	16	52	55	0.89	65	1
1981	56.6	64	61.4	59	51.8	67	0.58	83	0
1980	56	80	60.5	79	51.4	88	0.49	94	0
1979	57.2	46	62.2	47	52.1	51	0.49	94	0
1978	56.3	72	61.2	62	51.3	99	0.96	62	0
1977	55.9	88	60.3	88	51.4	88	0.27	123	0
1976	56.1	77	60.7	74	51.5	80	2.04	22	0
1975	55.1	116	59.5	112	50.7	117	1.26	49	0
1974	56.5	67	60.7	74	52.2	45	0.76	70	0
1973	55.1	116	59.5	112	50.8	111	0.31	116	0
1972	56.9	56	61.2	62	52.5	31	0.96	62	0
1971	56.5	67	61	68	51.9	63	2.22	15	0
1970	54.8	124	58.9	127	50.7	117	0.29	121	0
1969	56	80	59.9	102	52.1	51	0.39	103	0
1968	57	51	61.5	56	52.5	31	2.22	15	0
1967	55.9	88	59.9	102	52	55	0.32	112	0
1966	56	80	60.6	76	51.4	88	1.05	60	0
1965	55.2	114	59.2	120	51.2	102	0.71	75	0
1964	56.1	77	60.4	83	51.8	67	1.58	34	0
1963	56.2	73	60.5	79	52	55	0.51	91	0
1962	54.9	122	59.3	117	50.5	123	2.03	23	0
1961	56.7	61	60.8	70	52.6	29	0.83	67	0
1960	54.7	127	59	125	50.4	128	0.06	138	0
1959	56	80	60.4	83	51.5	80	0.26	124	0
1958	58.1	19	62.1	49	54.1	2	0.76	70	0
1957	57.4	40	61.8	53	52.9	20	0.66	79	0
1956	55.9	88	60.2	90	51.5	80	1.77	27	0
1955	53.9	134	57.9	135	49.9	135	0.32	112	0
1954	55.6	102	59.7	108	51.5	80	3.85	3	0
1953	56	80	60.4	83	51.5	80	1.65	33	0
1952	55	121	59.1	121	50.8	111	1.99	24	0
1951	54.8	124	58.5	130	51	106	0.07	137	0
1950	55.7	98	59.9	102	51.4	88	1.15	54	0
1949	55.9	88	60.5	79	51.2	102	0.24	126	0
1948	56.8	57	61.2	62	52.4	37	1.15	54	0
1947	58.4	15	63.2	28	53.5	11	2.88	6	0
1946	57	51	61.5	56	52.4	37	0.43	100	0
1945	55.7	98	60.6	76	50.7	117	0.10	135	0
1944	55.5	107	59.3	117	51.8	67	1.48	40	0
1943	56.2	73	60.2	90	52.2	45	0.72	74	0
1942	57.8	31	61.9	50	53.7	9	0.70	77	0
1941	58.5	13	63	33	54	5	1.76	29	0
1940	56.8	57	61.3	60	52.3	40	0.32	112	0
1939	55.8	95	60.2	90	51.4	88	0.85	66	0
1938	54.8	124	58.9	127	50.8	111	0.01	140	0
1937	56.7	61	61.5	56	52	55	1.43	41	0
1936	58.1	19	62.8	40	53.4	13	1.43	41	0
1935	55.5	107	60.2	90	50.7	117	0.36	107	0
1934	56.6	64	60.8	70	52.5	31	0.30	120	0
1933	55.1	116	59.1	121	51.1	104	0.35	109	0
1932	55.7	98	60.1	96	51.4	88	0.28	122	0
1931	56.4	70	60.9	69	51.8	67	1.35	44	0
1930	56.4	70	60.8	70	51.9	63	0.13	134	0
1929	56.8	57	61.7	54	52	55	2.40	11	0
1928	55.5	107	59.6	109	51.4	88	0.39	103	0
1927	55.9	88	59.9	102	51.8	67	0.93	64	0
1926	56.7	61	60.8	70	52.5	31	0.55	85	0
1925	55.8	95	60.1	96	51.5	80	0.49	94	0
1924	55.1	116	59.3	117	50.8	111	1.10	58	0
1923	57.4	40	61.7	54	53.2	15	1.12	57	0
1922	55.9	88	60.3	88	51.4	88	0.17	130	0
1921	55.6	102	59.9	102	51.3	99	1.31	45	0
1920	55.8	95	60.6	76	51	106	2.54	8	0
1919	54.5	129	59.1	121	50	134	0.16	131	0
1918	55.5	107	60.4	83	50.5	123	0.45	99	0
1917	53.8	135	58.1	133	49.5	137	0.02	139	0
1916	55.1	116	59.6	109	50.5	123	2.46	10	0
1915	56.2	73	60.2	90	52.3	40	0.31	116	0
1914	53.8	135	57.4	140	50.3	130	1.74	31	0
1913	56.8	57	61.1	66	52.5	31	1.91	25	0
1912	55.7	98	60	99	51.4	88	1.38	43	0
1911	53.8	135	57.5	139	50.1	133	0.31	116	0
1910	53.7	139	57.7	137	49.8	136	0.49	94	0
1909	54.5	129	58.5	130	50.5	123	0.69	78	0
1908	53.8	135	58.1	133	49.5	137	0.35	109	0
1907	55.6	102	59	125	52.1	51	3.24	4	0
1906	55.3	112	59.1	121	51.4	88	1.58	34	0
1905	56.1	77	59.8	107	52.3	40	0.14	133	0
1904	54.2	133	57.7	137	50.7	117	1.30	46	0
1903	55.6	102	59.5	112	51.7	75	1.16	53	0
1902	56	80	60	99	52	55	0.52	89	0
1901	54.6	128	58.6	129	50.7	117	0.15	132	0
1900	56.6	64	60.5	79	52.6	29	1.77	27	0
1899	54.3	131	58.2	132	50.3	130	1.17	52	0
1898	55.6	102	59.5	112	51.7	75	1.27	48	0
1897	56	80	61.1	66	51	106	1.78	26	0
1896	57.1	49	62.5	43	51.6	77	1.21	51	0
1895	54.3	131	59.6	109	49	139	0.40	102	0
1894	55.4	111	60	99	50.8	111	1.73	32	0
1893	54.9	122	59.4	116	50.4	128	0.33	111	0
1892	55.2	114	60.1	96	50.3	130	0.54	88	0
1891	57.2	46	62.2	47	52.3	40	2.12	19	0
1890	55.9	88	60.4	83	51.4	88	1.00	61	0
1889	55.3	112	60.2	90	50.5	123	0.65	80	0
1888	58.2	17	63	33	53.5	11	5.10	1	0
1887	53.2	140	57.9	135	48.5	140	2.05	21	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1983	60.2
2015	59.8
2004	59.8
1997	59.6
1990	59.5
2019	59.4
1992	59.3
2007	59.1
2003	59.1
1989	58.8

Coldest
Year	Mean, °F
1887	53.2
1910	53.7
1917	53.8
1914	53.8
1911	53.8
1908	53.8
1955	53.9
1904	54.2
1899	54.3
1895	54.3

Wettest
Year	Precipitation, in
1888	5.10
1983	4.96
1954	3.85
1907	3.24
2005	3.20
1947	2.88
2012	2.74
1920	2.54
2010	2.50
1916	2.46

Driest
Year	Precipitation, in
1938	0.01
1917	0.02
1960	0.06
1951	0.07
1996	0.08
1945	0.10
1930	0.13
1905	0.14
1901	0.15
1919	0.16

The hottest, coldest and wettest days

Hottest day: 73°F; 22 July 2026
Coldest night: 45°F; 1 June 2026
Wettest day: 0.55 in; 8 June 2026

Every month, season and year

Months

Seasons

Years

Eureka, CA the day's answers

All-time records

Every answer in words

Summer 2026 brought 0.76 in of precipitation in Eureka, CA, the driest summer since 2025, tied 69th driest of 140 (with 1974 and 1958).
The hottest day of summer 2026 in Eureka, CA: 73°F on Wednesday 22 July 2026.
The coldest night of summer 2026 in Eureka, CA: a low of 45°F on Monday 1 June 2026.
The wettest day of summer 2026 in Eureka, CA: 0.55 in on Monday 8 June 2026.