Eureka, CA: Fall

9 October 2026: Fall 2026 so far averaged 57.8°F in Eureka, CA (1 day missing), the warmest 1 September to 9 October since 2025, tied 25th warmest of 140 (with 1992 and 1953).

Fall 2026 so far, to 9 October 2026

Mean temperature: 57.8°F; Warmest since 2025; 25th warmest of 140

A normal 1 September to 9 October in Eureka, CA (1991 to 2020): a mean temperature of 57.3°F, between 54.8°F and 59.1°F in eight years of ten and 0.73 in of precipitation, between 0.07 in and 3.09 in in eight years of ten.

The mean temperature of every 1 September to 9 October in Eureka, CA since 1887: 57.8°F in 2026; the highest is 61.3°F, in 1979.

Normal range, 54.8 to 59.1°F

Every year, ranked, as a table

Every 1 September to 9 October 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	57.8	25	63.5	33	52	21	0.68	97	1
2025	59.6	6	65.9	10	53.3	5	1.75	44	0
2024	57	45	64	30	49.9	92	0.10	129	0
2023	58.3	18	65.1	17	51.5	32	2.41	28	0
2022	58.3	18	64.3	25	52.4	15	0.47	111	0
2021	55.7	88	62.4	58	48.9	120	1.30	58	0
2020	59.7	5	66.2	7	53.1	7	0.76	91	0
2019	58.9	10	66.2	7	51.6	30	1.92	37	0
2018	56.4	60	63.1	46	49.8	94	0.52	105	0
2017	58.6	15	66.5	5	50.7	60	1.01	74	0
2016	56.9	47	63.3	40	50.5	73	0.49	107	0
2015	58.1	21	65.3	16	50.9	49	0.28	117	0
2014	59.4	7	66.3	6	52.4	15	3.09	16	0
2013	58.9	10	66.7	4	51.2	39	3.14	14	0
2012	54	132	60	123	48.1	138	0.04	135	0
2011	56.7	50	63.3	40	50.2	81	3.50	9	0
2010	57.3	37	63.7	31	50.8	55	1.40	56	0
2009	57.7	28	65.5	12	50	90	1.03	73	0
2008	56	80	62.5	56	49.5	106	0.94	79	0
2007	56.1	73	63.5	33	48.8	122	2.03	34	0
2006	54.8	117	60.9	97	48.6	131	0.31	115	0
2005	54.6	124	60.6	104	48.6	131	0.60	100	0
2004	58	22	65.4	14	50.6	66	1.58	47	0
2003	57.4	34	64.1	27	50.6	66	0.62	99	0
2002	56.4	60	64.1	27	48.7	125	0.07	132	0
2001	56.5	57	63.4	38	49.5	106	0.29	116	0
2000	57.6	30	64.6	20	50.5	73	0.79	88	0
1999	54.8	117	61.2	90	48.4	136	0.32	113	0
1998	57.2	39	64.1	27	50.4	77	0.80	87	0
1997	61.2	2	68.2	1	54.3	3	3.57	8	0
1996	56.4	60	63.4	38	49.3	111	1.22	63	0
1995	59.1	8	66.1	9	52.1	19	0.70	94	0
1994	58.8	13	64.9	18	52.7	10	0.07	132	0
1993	55.4	99	60.5	106	50.4	77	0.13	125	0
1992	57.8	25	64.6	20	50.9	49	0.49	107	0
1991	57.3	37	63.5	33	51.1	44	trace	139	0
1990	60	3	65.5	12	54.5	2	0.19	120	0
1989	56.4	60	61.7	77	51	47	0.86	82	0
1988	55.9	81	61.9	70	49.8	94	0.48	109	0
1987	57.9	24	63.3	40	52.6	12	0.07	132	0
1986	56.8	49	63.5	33	50.2	81	2.71	21	0
1985	56.7	50	63.2	43	50.2	81	1.06	70	0
1984	58.6	15	65.9	10	51.3	37	1.07	69	0
1983	60	3	66.9	3	53.1	7	1.05	71	0
1982	58	22	65.4	14	50.6	66	1.09	68	0
1981	57.6	30	63.6	32	51.5	32	2.84	18	0
1980	56.5	57	62.3	59	50.7	60	0.14	124	0
1979	61.3	1	67.1	2	55.5	1	1.22	63	0
1978	57	45	62.8	50	51.2	39	2.72	20	0
1977	56.2	68	61.7	77	50.7	60	3.46	10	0
1976	56.2	68	61.8	73	50.5	73	0.13	125	0
1975	55.5	97	60.2	111	50.9	49	0.99	75	0
1974	55.1	108	60.2	111	50.1	86	trace	139	0
1973	55.9	81	61.5	81	50.3	79	2.73	19	0
1972	55.9	81	61.2	90	50.6	66	1.29	60	0
1971	56.1	73	61.3	87	50.8	55	2.11	32	0
1970	54.8	117	60.9	97	48.7	125	0.32	113	0
1969	56.5	57	62.7	53	50.3	79	1.51	51	0
1968	56.1	73	61.6	80	50.6	66	0.70	94	0
1967	58.8	13	64.9	18	52.7	10	2.24	30	0
1966	57.5	33	63	49	52	21	1.33	57	0
1965	54.4	129	59.2	133	49.6	103	0.16	123	0
1964	55.1	108	60.9	97	49.4	108	0.12	128	0
1963	59.1	8	64.4	23	53.9	4	1.51	51	0
1962	56.7	50	61.7	77	51.8	27	4.48	3	0
1961	54.7	122	60.2	111	49.2	112	0.53	104	0
1960	54	132	58.5	137	49.4	108	0.83	84	0
1959	57.4	34	63.2	43	51.6	30	1.97	35	0
1958	58.3	18	64.3	25	52.2	17	0.78	89	0
1957	58.6	15	64.4	23	52.8	9	4.41	4	0
1956	56.2	68	62.2	62	50.2	81	0.96	76	0
1955	54.5	126	60.2	111	48.7	125	1.80	42	0
1954	56.6	53	62.2	62	50.9	49	1.30	58	0
1953	57.8	25	63.1	46	52.6	12	1.50	53	0
1952	56.1	73	61.3	87	50.9	49	0.73	92	0
1951	55.3	103	59.4	131	51.2	39	1.92	37	0
1950	55.8	84	61.1	94	50.6	66	2.59	23	0
1949	55.4	99	60.9	97	49.8	94	2.52	25	0
1948	55.3	103	61	95	49.6	103	3.21	12	0
1947	57.4	34	62.8	50	51.9	25	1.12	67	0
1946	55.7	88	62.2	62	49.2	112	0.55	103	0
1945	54.7	122	60.4	109	48.9	120	1.22	63	0
1944	54.5	126	59.2	133	49.8	94	0.21	119	0
1943	57.7	28	62.8	50	52.6	12	0.01	138	0
1942	55.3	103	60.2	111	50.5	73	0.08	131	0
1941	56.6	53	62.3	59	50.9	49	0.48	109	0
1940	58.9	10	64.5	22	53.3	5	1.54	49	0
1939	56.6	53	62.1	65	51.1	44	0.78	89	0
1938	57.2	39	62.1	65	52.2	17	2.15	31	0
1937	56.6	53	62.3	59	50.8	55	3.23	11	0
1936	55.8	84	62.1	65	49.6	103	0.04	135	0
1935	54.8	117	58.8	135	50.8	55	1.91	39	0
1934	55	112	60.7	102	49.2	112	1.24	61	0
1933	55	112	60.2	111	49.8	94	0.70	94	0
1932	54	132	58.5	137	49.4	108	0.17	122	0
1931	55	112	60.2	111	49.7	100	0.56	102	0
1930	56.2	68	60.5	106	51.8	27	1.52	50	0
1929	55.6	93	61.2	90	50.1	86	0.10	129	0
1928	55.7	88	60.7	102	50.7	60	1.04	72	2
1927	56.9	47	62.7	53	51.2	39	0.96	76	0
1926	55.8	84	61.8	73	49.9	92	3.16	13	0
1925	57.2	39	62.6	55	51.8	27	4.50	2	0
1924	54.6	124	60.5	106	48.6	131	0.82	85	0
1923	57.2	39	62.5	56	51.9	25	2.98	17	0
1922	56.1	73	61.5	81	50.6	66	2.10	33	0
1921	54.5	126	60	123	49	118	0.27	118	0
1920	57.6	30	63.2	43	52	21	4.14	6	0
1919	56.1	73	61.9	70	50.2	81	1.62	45	0
1918	56.3	65	60.6	104	52	21	1.80	42	0
1917	56.2	68	61.8	73	50.7	60	0.66	98	0
1916	54.8	117	60.9	97	48.8	122	0.44	112	0
1915	54	132	59.7	126	48.3	137	0.13	125	0
1914	54.9	115	60.1	118	49.8	94	2.48	27	0
1913	55.3	103	61.5	81	49	118	1.19	66	0
1912	55.8	84	61.5	81	50.1	86	2.52	25	0
1911	54.3	130	60.1	118	48.5	134	1.55	48	0
1910	53.6	137	58.5	137	48.7	125	0.58	101	0
1909	53.6	137	58.6	136	48.5	134	0.93	80	0
1908	53.8	136	59.6	129	48	139	0.04	135	0
1907	55.7	88	60.1	118	51.4	35	0.84	83	0
1906	56.4	60	62.1	65	50.8	55	0.96	76	0
1905	57.1	44	62	69	52.1	19	1.88	40	0
1904	55.2	107	59.4	131	51	47	1.46	55	0
1903	55.4	99	60.1	118	50.7	60	1.88	40	0
1902	54.9	115	59.7	126	50	90	0.19	120	0
1901	55.6	93	59.7	126	51.5	32	4.26	5	0
1900	56.1	73	61	95	51.2	39	2.58	24	0
1899	55.1	108	60.1	118	50.1	86	0.88	81	0
1898	55.7	88	60.3	110	51.1	44	2.71	21	0
1897	55.4	99	61.8	73	49.1	115	1.24	61	0
1896	55.1	108	61.3	87	48.8	122	1.60	46	0
1895	53.2	139	59.9	125	46.6	140	3.14	14	0
1894	55.5	97	61.9	70	49.1	115	1.95	36	0
1893	55.6	93	61.4	86	49.7	100	4.92	1	0
1892	56.3	65	61.2	90	51.4	35	2.26	29	0
1891	55.6	93	61.5	81	49.7	100	1.49	54	0
1890	53.1	140	57.5	140	48.7	125	0.82	85	0
1889	56.3	65	63.5	33	49.1	115	3.87	7	0
1888	57.2	39	63.1	46	51.3	37	0.52	105	0
1887	54.1	131	59.5	130	48.7	125	0.72	93	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1979	61.3
1997	61.2
1990	60
1983	60
2020	59.7
2025	59.6
2014	59.4
1995	59.1
1963	59.1
2019	58.9
More years share the last value

Coldest
Year	Mean, °F
1890	53.1
1895	53.2
1910	53.6
1909	53.6
1908	53.8
2012	54
1960	54
1932	54
1915	54
1887	54.1

Wettest
Year	Precipitation, in
1893	4.92
1925	4.50
1962	4.48
1957	4.41
1901	4.26
1920	4.14
1889	3.87
1997	3.57
2011	3.50
1977	3.46

Driest
Year	Precipitation, in
1991	trace
1974	trace
1943	0.01
2012	0.04
1936	0.04
1908	0.04
2002	0.07
1994	0.07
1987	0.07
1942	0.08

The hottest, coldest and wettest days

Hottest day: 74°F; 9 September 2026
Coldest night: 48°F; 29 September 2026
Wettest day: 0.33 in; 2 September 2026

Every month, season and year

Months

Seasons

Years

Eureka, CA the day's answers

All-time records

Every answer in words

The hottest day of fall 2026 so far in Eureka, CA: 74°F on Wednesday 9 September 2026.
The coldest night of fall 2026 so far in Eureka, CA: a low of 48°F on Tuesday 29 September 2026.
The wettest day of fall 2026 so far in Eureka, CA: 0.33 in on Wednesday 2 September 2026.