San Diego, CA: 2026

9 October 2026: 2026 so far averaged 67.8°F in San Diego, CA (1 day missing), the warmest 1 January to 9 October since 2015, 5th warmest of 152.

2026 so far, to 9 October 2026

Mean temperature: 67.8°F; Warmest since 2015; 5th warmest of 152
Precipitation: 5.39 in; Driest since 2025; 67th driest of 169

A normal 1 January to 9 October in San Diego, CA (1991 to 2020): a mean temperature of 64.9°F, between 63°F and 66.9°F in eight years of ten and 5.40 in of precipitation, between 3.08 in and 13.41 in in eight years of ten.

The mean temperature of every 1 January to 9 October in San Diego, CA since 1875: 67.8°F in 2026; the highest is 69°F, in 1984.

Normal range, 63 to 66.9°F

Every year, ranked, as a table

Every 1 January to 9 October in San Diego, CA from 1851 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	67.8	5	74.5	2	61.2	7	5.39	103	1
2025	64.6	44	70.7	47	58.5	42	4.95	110	2
2024	64.8	36	70.5	55	59.2	31	11.02	16	0
2023	63.4	72	69.3	87	57.5	61	13.02	11	0
2022	65.1	28	71.9	24	58.3	47	3.16	148	0
2021	66	18	72.2	18	59.8	21	5.06	109	0
2020	66.9	9	73.4	6	60.5	14	6.85	75	0
2019	64.9	32	70.6	50	59.3	28	8.53	44	0
2018	67	8	72.8	13	61.2	7	3.34	146	1
2017	66.5	13	72.3	16	60.7	11	7.83	53	0
2016	66.8	11	72.9	11	60.8	10	5.33	104	0
2015	68.4	2	74.4	3	62.3	3	7.45	62	0
2014	68.3	3	74.4	3	62.3	3	2.90	152	1
2013	64.5	46	70.2	61	58.9	35	3.45	143	0
2012	64.8	36	70.5	55	59.2	31	3.46	142	0
2011	64.6	44	70.3	59	58.8	36	5.08	107	0
2010	63	82	68.5	102	57.6	59	8.96	41	0
2009	65.1	28	70.9	43	59.3	28	3.10	150	0
2008	64.1	55	69.8	76	58.3	47	5.24	105	0
2007	63.8	65	69.2	89	58.3	47	2.23	163	0
2006	65.6	23	71.1	36	60	19	4.53	119	0
2005	64.9	32	70.2	61	59.6	25	13.28	10	0
2004	65.9	21	71.1	36	60.7	11	3.97	134	0
2003	64.5	46	69.8	76	59.3	28	7.97	52	0
2002	62.7	92	68.1	112	57.4	63	1.90	166	0
2001	63	82	68	115	58	54	7.06	73	0
2000	64.8	36	70	71	59.6	25	5.47	102	0
1999	62.4	94	67.7	121	57	72	5.07	108	0
1998	64	59	69.1	92	59	34	14.62	7	0
1997	66.2	17	71.7	26	60.6	13	4.46	121	0
1996	65.5	25	70.9	43	60.2	18	4.00	133	0
1995	64.5	46	70.6	50	58.5	42	15.86	3	0
1994	64.9	32	71.2	34	58.5	42	8.16	50	0
1993	65	30	70.8	46	59.2	31	15.49	4	0
1992	66.9	9	73.2	9	60.5	14	10.04	28	0
1991	63.2	74	69.2	89	57.2	66	11.07	15	0
1990	65	30	71.2	34	58.7	39	6.05	87	0
1989	64.3	53	70.6	50	58.1	52	2.26	162	0
1988	64.7	41	71.3	32	58	54	6.64	80	0
1987	64	59	70.1	67	57.9	58	5.80	93	0
1986	64.9	32	71.1	36	58.8	36	9.16	36	0
1985	65.6	23	71.4	30	59.8	21	2.53	155	0
1984	69	1	74.6	1	63.4	1	1.50	168	0
1983	67.6	7	73.3	8	61.9	5	15.28	5	0
1982	66	18	71.6	27	60.3	17	9.38	33	0
1981	68.3	3	73.9	5	62.7	2	7.77	56	0
1980	66.7	12	72.2	18	61.2	7	14.60	8	0
1979	66.3	14	72.2	18	60.5	14	10.60	19	0
1978	67.7	6	73.4	6	61.9	5	15.08	6	0
1977	65.3	26	71.1	36	59.5	27	7.38	63	0
1976	66	18	72.2	18	59.8	21	9.04	38	0
1975	63	82	69.1	92	56.9	76	7.31	65	0
1974	64.4	50	70.3	59	58.4	46	4.76	114	0
1973	63.9	63	69.8	76	58	54	5.65	97	0
1972	64.7	41	70.9	43	58.5	42	1.13	169	0
1971	63.8	65	70.1	67	57.6	59	3.69	136	0
1970	64.5	46	70.4	57	58.6	41	5.10	106	0
1969	63.8	65	69.5	81	58	54	10.47	20	0
1968	65.2	27	71.6	27	58.7	39	2.67	154	0
1967	63.7	68	70.4	57	56.9	76	6.02	89	0
1966	63.5	70	69.7	79	57.3	64	2.36	159	0
1965	63.1	79	70.1	67	56.1	100	6.61	82	0
1964	62.8	89	70.2	61	55.4	119	3.07	151	0
1963	64.1	55	71.4	30	56.9	76	5.64	98	0
1962	62.8	89	69.7	79	55.8	108	7.15	70	0
1961	64.4	50	71.6	27	57.2	66	2.37	158	0
1960	64.7	41	72.1	23	57.3	64	5.79	94	0
1959	66.3	14	73	10	59.7	24	4.21	126	0
1958	65.9	21	72.9	11	58.8	36	10.42	21	0
1957	64.8	36	71.3	32	58.3	47	8.40	46	0
1956	63.3	73	70.2	61	56.4	85	3.53	140	0
1955	63.1	79	70.2	61	56	103	6.03	88	0
1954	63.9	63	70.7	47	57.1	71	8.23	49	0
1953	63.7	68	71.1	36	56.2	96	2.51	156	0
1952	62.9	88	69.9	73	55.9	105	11.49	13	0
1951	63	82	69.9	73	56.1	100	5.48	99	0
1950	62.1	112	68.9	96	55.3	121	6.38	84	0
1949	62.1	112	69.3	87	55	133	6.62	81	0
1948	62.1	112	70.1	67	54.1	147	2.83	153	0
1947	64.4	50	72.6	14	56.2	96	2.46	157	3
1946	64.1	55	71.8	25	56.4	85	4.74	115	2
1945	63.2	74	70.6	50	55.7	111	5.48	99	0
1944	62.3	97	70.2	61	54.3	144	6.60	83	0
1943	64.3	53	72.2	18	56.3	91	9.91	29	0
1942	63.2	74	71	41	55.3	121	4.70	116	0
1941	64.8	36	72.3	16	57.2	66	16.95	2	0
1940	64	59	71	41	57	72	7.09	71	0
1939	62.8	89	69.4	82	56.3	91	9.02	39	0
1938	62.7	92	68.8	97	56.7	80	8.66	43	1
1937	61.6	123	67.5	125	55.7	111	9.01	40	0
1936	63.1	79	68.8	97	57.5	61	7.67	57	1
1935	62.1	112	67.7	121	56.6	82	9.35	34	0
1934	64	59	69.9	73	58.1	52	3.18	147	1
1933	59.7	150	65.6	150	53.8	149	6.84	76	3
1932	61.2	134	67.1	133	55.3	121	8.28	48	0
1931	66.3	14	72.6	14	59.9	20	9.60	30	1
1930	63.2	74	69.1	92	57.2	66	10.69	17	0
1929	62.3	97	68.3	107	56.2	96	4.14	128	5
1928	62.4	94	68.4	105	56.4	85	2.31	161	0
1927	61.9	117	67.4	127	56.4	85	10.05	27	1
1926	64.1	55	70	71	58.2	51	9.58	32	0
1925	62.2	103	68.3	107	56.1	100	7.08	72	0
1924	62.2	103	68.5	102	55.8	108	3.63	139	0
1923	62.1	112	68.3	107	55.9	105	4.65	117	0
1922	61.3	131	67.4	127	55.2	129	7.19	68	0
1921	61.1	136	66.8	140	55.4	119	7.78	55	0
1920	61.4	129	67.1	133	55.7	111	6.78	78	0
1919	61.8	122	67.9	119	55.7	111	4.81	113	0
1918	63	82	68.8	97	57.2	66	8.39	47	0
1917	60.9	139	66.9	138	54.8	140	7.79	54	0
1916	60.8	141	66.3	144	55.2	129	10.19	24	0
1915	62.2	103	68	115	56.3	91	10.29	22	0
1914	62.2	103	67.8	120	56.5	83	7.48	60	0
1913	60.9	139	67	135	54.9	138	4.35	123	0
1912	60.8	141	66.6	142	55	133	10.13	25	0
1911	60.8	141	66.6	142	55	133	10.08	26	0
1910	61.3	131	67.3	130	55.3	121	3.85	135	0
1909	60.6	147	66.2	145	55	133	7.99	51	0
1908	60.7	146	66.2	145	55.3	121	7.17	69	0
1907	61.5	127	67.4	127	55.6	115	5.84	92	0
1906	62.3	97	68.1	112	56.5	83	10.23	23	0
1905	62.2	103	67.3	130	57	72	12.35	12	0
1904	62.2	103	68	115	56.4	85	4.15	127	0
1903	61.4	129	67	135	55.9	105	5.74	95	0
1902	60.6	147	65.7	149	55.5	117	6.32	85	0
1901	61.5	127	66.2	145	56.7	80	8.78	42	0
1900	61.9	117	66.9	138	56.9	76	4.12	130	0
1899	60.2	149	65.2	152	55.3	121	4.22	125	0
1898	61	137	66.7	141	55.3	121	3.65	137	0
1897	61.6	123	67	135	56.3	91	7.57	58	0
1896	62.3	97	69.4	82	55.1	132	4.60	118	0
1895	61	137	67.7	121	54.2	145	9.60	30	0
1894	58.8	152	65.6	150	52	152	2.09	164	0
1893	61.3	131	68.7	101	53.9	148	7.36	64	0
1892	60.8	141	67.5	125	54.2	145	7.29	66	0
1891	62.3	97	69.4	82	55.2	129	7.56	59	0
1890	61.6	123	68.2	111	54.9	138	5.69	96	0
1889	63	82	70.7	47	55.3	121	6.32	85	0
1888	62.2	103	68.1	112	56.2	96	6.65	79	0
1887	61.2	134	67.3	130	55	133	7.23	67	0
1886	62.2	103	68.4	105	56	103	14.25	9	0
1885	63.5	70	70.6	50	56.4	85	3.15	149	0
1884	61.9	117	69	95	54.8	140	22.08	1	0
1883	62.4	94	69.4	82	55.5	117	4.05	131	0
1882	60.8	141	67.7	121	53.8	149	9.07	37	0
1881	61.6	123	68.5	102	54.7	142	4.34	124	0
1880	59.2	151	66	148	52.4	151	5.94	90	0
1879	61.9	117	69.2	89	54.6	143	5.48	99	0
1878	62.2	103	68.8	97	55.6	115	11.34	14	0
1877	63.2	74	69.4	82	57	72	3.36	145	0
1876	61.9	117	68	115	55.8	108	6.97	74	0
1875	62.3	97	68.3	107	56.3	91	4.14	128	0
1874							9.22	35	276
1873							6.84	76	282
1872							3.64	138	283
1865							4.91	111	282
1864							2.08	165	283
1863							2.34	160	282
1862							4.52	120	282
1861							1.89	167	282
1860							4.03	132	283
1858							4.41	122	282
1857							3.39	144	282
1856							7.47	61	283
1855							10.68	18	282
1854							8.50	45	282
1853							4.83	112	282
1852							5.86	91	283
1851							3.51	141	282

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1984	69
2015	68.4
2014	68.3
1981	68.3
2026	67.8
1978	67.7
1983	67.6
2018	67
2020	66.9
1992	66.9

Coldest
Year	Mean, °F
1894	58.8
1880	59.2
1933	59.7
1899	60.2
1909	60.6
1902	60.6
1908	60.7
1916	60.8
1912	60.8
1911	60.8
More years share the last value

Wettest
Year	Precipitation, in
1884	22.08
1941	16.95
1995	15.86
1993	15.49
1983	15.28
1978	15.08
1998	14.62
1980	14.60
1886	14.25
2005	13.28

Driest
Year	Precipitation, in
1972	1.13
1984	1.50
1861	1.89
2002	1.90
1864	2.08
1894	2.09
2007	2.23
1989	2.26
1928	2.31
1863	2.34

The hottest, coldest and wettest days

Hottest day: 100°F; 4 October 2026
Coldest night: 38°F; 10 January 2026
Wettest day: 2.08 in; 1 January 2026

Month by month

Month	Mean temperature	Precipitation
January	59.6°F 17th warmest of 152	3.10 in 37th wettest of 171
February	60.8°F 12th warmest of 152	1.80 in 73rd wettest of 170
March	66°F 2nd warmest of 152	a trace 3rd driest of 171
April	64°F 14th warmest of 152	0.23 in 63rd driest of 171
May	65.2°F 19th warmest of 152	0.24 in 52nd wettest of 169
June	68.1°F 20th warmest of 152	a trace 25th driest of 169
July	72.4°F 14th warmest of 152	a trace 49th wettest of 170
August	75.7°F 5th warmest of 152	a trace 45th driest of 170
September	74.8°F 8th warmest of 151	0.02 in 72nd wettest of 170
October so far		0.00 in Driest of 172

Hot days and freezes

San Diego, CA has had 8 days at 90°F or above in 2026 through 9 October (1 day missing), the most by that date since 2020, tied 3rd most of 152 (with 2020).
San Diego, CA has had 1 day at 100°F or above in 2026 through 9 October (1 day missing), the most by that date since 2020, tied 4th most of 152 (with 2020, 2016, 2012 and 15 other years).

Daily records set

Date	Record	Value	Before	Check
4 October	Warmest day	100°F	97°F 1987	Confirmed
2 October	Warmest day	95°F	94°F 1945	Confirmed
7 September	Warmest day	95°F	92°F 1949	Provisional
18 March	Warmest day	85°F	82°F 1960, 1907	Provisional
8 March	Warmest day	89°F	85°F 1996	Provisional
27 February	Warmest day	85°F	84°F 2020	Provisional
4 February	Warmest day	83°F	82°F 2001, 1963, 1947	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

San Diego, CA the day's answers

All-time records

Every answer in words

2026 so far brought 5.39 in of precipitation in San Diego, CA, the driest 1 January to 9 October since 2025, 67th driest of 169.
The hottest day of 2026 so far in San Diego, CA: 100°F on Sunday 4 October 2026.
The coldest night of 2026 so far in San Diego, CA: a low of 38°F on Saturday 10 January 2026.
The wettest day of 2026 so far in San Diego, CA: 2.08 in on Thursday 1 January 2026.