San Diego, CA

Saturday 3 October 2026: a high of 105°F in San Diego, CA, the warmest 3 October on record, in 152 years since 1875; matching the National Weather Service report.

Saturday 3 October 2026

RecordSaturday 3 October 2026: a low of 72°F in San Diego, CA, the warmest 3 October night on record, in 152 years since 1875; matching the National Weather Service report.
No measurable precipitation in San Diego, CA for 6 days to Saturday 3 October 2026.

Every year on this date

Every 3 October high in San Diego, CA since 1875: 105°F in 2026, the highest of them all (confirmed).

Every 3 October low in San Diego, CA since 1875: 72°F in 2026; the lowest is 48°F, in 1884.

Above the normal range
In it
Below it
Normal range
This year and the extreme

Every year as a table

Year	High, °F	Low, °F
2026	105	72
2025	73	63
2024	72	63
2023	75	57
2022	73	68
2021	88	61
2020	86	64
2019	76	57
2018	76	68
2017	71	66
2016	75	63
2015	76	68
2014	93	66
2013	72	64
2012	82	67
2011	73	64
2010	75	69
2009	73	61
2008	71	66
2007	76	64
2006	73	64
2005	72	63
2004	71	64
2003	68	62
2002	72	57
2001	72	63
2000	71	67
1999	70	61
1998	69	63
1997	78	69
1996	71	63
1995	82	62
1994	69	65
1993	73	65
1992	73	63
1991	82	64
1990	77	67
1989	72	62
1988	71	63
1987	104	65
1986	71	56
1985	98	69
1984	75	66
1983	76	62
1982	79	60
1981	72	68
1980	72	63
1979	81	66
1978	76	66
1977	75	65
1976	77	66
1975	87	64
1974	74	63
1973	70	62
1972	72	58
1971	78	57
1970	73	68
1969	73	65
1968	74	62
1967	73	66
1966	75	63
1965	82	59
1964	83	58
1963	74	67
1962	70	61
1961	76	58
1960	75	57
1959	78	58
1958	77	65
1957	72	60
1956	76	67
1955	68	58
1954	66	59
1953	94	56
1952	78	60
1951	73	62
1950	82	58
1949	73	62
1948	77	58
1947	76	61
1946	73	59
1945	84	64
1944	78	56
1943	79	62
1942	73	60
1941	71	59
1940	72	58
1939	70	61
1938	71	58
1937	70	61
1936	70	60
1935	68	57
1934	70	60
1933	78	63
1932	67	62
1931	82	64
1930	73	54
1929	78	67
1928	68	61
1927	74	55
1926	71	62
1925	70	55
1924	68	58
1923	69	59
1922	71	60
1921	65	63
1920	68	59
1919	69	59
1918	74	69
1917	76	62
1916	62	53
1915	69	61
1914	69	59
1913	72	65
1912	66	57
1911	79	53
1910	70	57
1909	67	55
1908	65	54
1907	74	54
1906	71	60
1905	85	65
1904	72	59
1903	69	52
1902	69	60
1901	66	56
1900	69	58
1899	67	63
1898	67	56
1897	71	56
1896	73	60
1895	70	62
1894	87	57
1893	81	58
1892	79	62
1891	80	55
1890	70	63
1889	72	60
1888	70	65
1887	69	60
1886	69	59
1885	88	58
1884	67	48
1883	70	60
1882	68	52
1881	70	62
1880	66	57
1879	72	60
1878	71	58
1877	71	62
1876	75	64
1875	69	61

The 20 warmest 3 October highs in San Diego, CA since 1875.
Rank	Year	Value
1	2026	105°F
2	1987	104°F
3	1985	98°F
4	1953	94°F
5	2014	93°F
6	2021	88°F
6	1885	88°F
8	1975	87°F
8	1894	87°F
10	2020	86°F
11	1905	85°F
12	1945	84°F
13	1964	83°F
14	2012	82°F
14	1995	82°F
14	1991	82°F
14	1965	82°F
14	1950	82°F
14	1931	82°F
20	1979	81°F

The 20 coldest 3 October lows in San Diego, CA since 1875.
Rank	Year	Value
1	1884	48°F
2	1903	52°F
2	1882	52°F
4	1916	53°F
4	1911	53°F
6	1930	54°F
6	1908	54°F
6	1907	54°F
9	1927	55°F
9	1925	55°F
9	1909	55°F
9	1891	55°F
13	1986	56°F
13	1953	56°F
13	1944	56°F
13	1901	56°F
13	1898	56°F
13	1897	56°F
19	2023	57°F
19	2019	57°F

The 20 wettest 3 October days in San Diego, CA since 1850.
Rank	Year	Value
1	1914	0.55 in
2	1918	0.23 in
3	1912	0.14 in
4	1970	0.06 in
5	1951	0.03 in
6	1861	0.02 in
6	1850	0.02 in
8	1946	0.01 in
9	1980	trace
9	1968	trace
9	1963	trace
9	1957	trace
9	1939	trace
9	1937	trace
9	1921	trace
16	2026	0.00 in
16	2025	0.00 in
16	2024	0.00 in
16	2023	0.00 in
16	2022	0.00 in

This month, season and year so far

October 2026 so far averaged 80.5°F in San Diego, CA, the warmest 1 to 3 October on record, in 152 years since 1875; provisional.
October 2026 so far brought 0.00 in of precipitation in San Diego, CA, tying the record for the driest 1 to 3 October, set in 2025, 2024, 2022 and 131 other years, in 172 years since 1850 (1866 excluded: 3 of 3 days missing; 1867 excluded: 3 of 3 days missing; 1868 excluded: 3 of 3 days missing; 2 more years excluded for missing days); provisional.
Fall 2026 so far averaged 75.3°F in San Diego, CA, the warmest 1 September to 3 October since 2015, 6th warmest of 151.
Fall 2026 so far brought 0.02 in of precipitation in San Diego, CA, the wettest 1 September to 3 October since 2025, tied 80th wettest of 170 (with 2024, 1999, 1973 and 4 other years).
2026 so far averaged 67.6°F in San Diego, CA, the warmest 1 January to 3 October since 2015, tied 5th warmest of 152 (with 1978).
2026 so far brought 5.39 in of precipitation in San Diego, CA, the driest 1 January to 3 October since 2025, tied 69th driest of 169 (with 2000).
The 30 days to Saturday 3 October 2026 brought 0.02 in of precipitation in San Diego, CA, the driest 30 days to 3 October since 2024, tied 87th driest of 170 (with 2024, 1999, 1973 and 3 other years).
The 60 days to Saturday 3 October 2026 brought 0.02 in of precipitation in San Diego, CA, the driest 60 days to 3 October since 2024, tied 64th driest of 170 (with 2024, 2018, 1999 and 4 other years).
The 90 days to Saturday 3 October 2026 brought 0.02 in of precipitation in San Diego, CA, the driest 90 days to 3 October since 2024, tied 48th driest of 170 (with 2024, 2018, 1999 and 2 other years).

Daily highs and lows in San Diego, CA, 1 to 3 October 2026, with each date's record range and its 1991 to 2020 normal range.

High
Low
Normal range
Record range

Every day as a table

Day	High, °F	Low, °F	Record high	Record high year	Record low	Record low year	Normal high	Normal low
1 October 2026	78	66	97	2020	52	1893	76	65
2 October 2026	95	67	94	1945	50	1925	74	65
3 October 2026	105	72	104	1987	48	1884	73	64

Every year's 1 to 3 October in San Diego, CA, ranked by its mean temperature: October 2026 so far is the warmest of 152.

Above the normal range
Above the normal
Below the normal
Below the normal range
Normal range

Every year, ranked, as a table

Rank	Year	Mean, °F
1	2026	80.5
2	2020	78.7
3	1931	77.2
4	1987	76.8
5	2014	76
6	1945	75.3
7	1985	75
8	2012	74.8
9	2018	74.5
9	1991	74.5
11	1965	74.2
12	2021	73.8
12	2010	73.8
12	2008	73.8
15	2015	73.7
16	1918	73
16	1905	73
18	1997	72.8
19	1958	72.7
20	1995	72.2
20	1906	72.2
22	1956	72
23	1979	71.8
23	1978	71.8
25	1976	71.5
25	1970	71.5
25	1963	71.5
28	2016	71.2
28	1993	71.2
30	1975	71
30	1929	71
32	1990	70.8
32	1984	70.8
32	1876	70.8
35	1992	70.7
35	1983	70.7
37	2001	70.5
37	1943	70.5
39	2022	70.3
39	1977	70.3
41	2011	70
41	1885	70
43	1966	69.8
44	2007	69.7
44	1967	69.7
44	1922	69.7
47	1981	69.5
48	2009	69.2
48	2000	69.2
50	2017	69
51	2006	68.8
51	1953	68.8
51	1951	68.8
54	1982	68.5
54	1974	68.5
54	1893	68.5
57	2005	68.3
57	1994	68.3
57	1969	68.3
60	2025	68.2
60	1934	68.2
60	1917	68.2
63	1947	68
64	2024	67.8
64	1964	67.8
64	1913	67.8
64	1892	67.8
68	1996	67.7
68	1989	67.7
68	1980	67.7
68	1961	67.7
72	2004	67.5
73	2013	67.3
73	1888	67.3
75	1999	67
75	1998	67
75	1988	67
75	1959	67
75	1949	67
75	1939	67
81	1968	66.8
81	1941	66.8
81	1940	66.8
81	1889	66.8
85	1957	66.7
85	1952	66.7
85	1948	66.7
85	1933	66.7
89	1960	66.5
89	1938	66.5
89	1936	66.5
89	1877	66.5
93	1972	66.3
93	1950	66.3
95	1973	66.2
95	1946	66.2
95	1942	66.2
98	1971	66
98	1883	66
100	2023	65.8
100	2003	65.8
100	1944	65.8
103	2019	65.7
103	1890	65.7
105	1927	65.5
105	1904	65.5
105	1881	65.5
108	1962	65.3
108	1910	65.3
108	1896	65.3
108	1875	65.3
112	1895	65.2
113	1894	65
113	1891	65
115	1986	64.7
115	1937	64.7
115	1932	64.7
115	1926	64.7
115	1923	64.7
115	1920	64.7
115	1887	64.7
115	1879	64.7
123	1954	64.5
123	1914	64.5
123	1911	64.5
123	1899	64.5
127	1955	64.3
127	1928	64.3
127	1924	64.3
130	1902	64.2
131	1921	64
131	1900	64
131	1878	64
134	1915	63.8
135	2002	63.7
136	1935	63.5
137	1907	63.3
138	1897	63
139	1901	62.8
140	1930	62.5
140	1925	62.5
142	1919	62.3
142	1898	62.3
144	1912	62.2
144	1909	62.2
146	1880	62
147	1886	61.5
148	1916	61.3
148	1903	61.3
150	1882	61
151	1908	60.8
152	1884	60

This year so far

San Diego, CA has had 6 days at 90°F or above in 2026 through 3 October, the most by that date since 2020, tied 5th most of 152 (with 1989, 1985, 1939 and 1 other year).
San Diego, CA has had 1 day at 100°F or above in 2026 through 3 October, the most by that date since 2020, tied 4th most of 152 (with 2020, 2016, 2012 and 14 other years).

Records of the coming dates

San Diego, CA on 5 October: record high 97°F (1971), record low 48°F (1884).
San Diego, CA on 6 October: record high 101°F (1971), record low 47°F (1884).

The station

Daily records for San Diego, CA run from 1850 to 3 October 2026, with 8793 days missing; current station SAN DIEGO INTERNATIONAL AP.

Our calculation from NOAA records for San Diego, CA, 1850 to 2026. Preliminary until NOAA's final data.

All-time records

Nearby

El Cajon, CA 15.5 mi
Ramona, CA 26.1 mi
Escondido, CA 27.3 mi
Palm Springs, CA 84.8 mi
Riverside, CA 85.5 mi
San Diego County, CA county average
California every city and county