San Jose, CA

Sunday 4 October 2026: a low of 66°F in San Jose, CA, the warmest 4 October night on record, in 126 years since 1893 (no value for 1897, 1898, 1899 and 5 other years); matching the National Weather Service report.

Sunday 4 October 2026

High: 94°F; Warmest since 2024; 3rd warmest of 125
Low: 66°F; Warmest on record; Warmest of 126, confirmed

No measurable precipitation in San Jose, CA for 30 days to Sunday 4 October 2026.

Every 4 October low in San Jose, CA since 1893: 66°F in 2026; the lowest is 41°F, in 1931.

Normal range, 49.9 to 59°F

Every year as a table

Every 4 October high in San Jose, CA since 1893: 94°F in 2026; the highest is 98°F, in 2024.

Year	High, °F	Low, °F
2026	94	66
2025	77	54
2024	98	65
2023	92	58
2022	74	59
2021	89	59
2020	84	58
2019	75	46
2018	74	58
2017	80	51
2016	72	56
2015	81	52
2014	92	58
2013	82	58
2012	76	56
2011	69	56
2010	64	57
2009	68	49
2008	69	57
2007	70	50
2006	69	54
2005	72	50
2004	68	58
2003	71	56
2002	82	55
2001	72	57
2000	72	55
1999	70	57
1998	76	47
1997	78	62
1996	82	56
1995	84	59
1994		59
1993	67	57
1992	83	53
1991	81	59
1990	85	62
1989	78	48
1988	78	57
1987	96	58
1986	83	52
1985	94	63
1983	84	53
1982	69	46
1981	67	47
1980	94	62
1979	80	59
1978	85	56
1977	79	51
1976	78	50
1975	81	53
1974	73	54
1973	81	46
1972	74	56
1971	86	49
1970	71	53
1969	77	56
1968	71	58
1967	73	47
1966	75	53
1965	75	50
1964	84	57
1962	70	50
1961	79	54
1960	78	53
1959	79	50
1958	78	55
1957	70	46
1956	73	57
1955	69	46
1954	66	46
1953	91	52
1952	77	55
1951	77	49
1950	76	57
1949	73	53
1948	74	58
1947	90	57
1946	75	46
1945	78	47
1944	73	49
1943	89	53
1942	83	51
1941	74	53
1940	72	45
1939	74	46
1938	70	47
1937	68	45
1936	76	48
1935	75	55
1934	74	51
1933	92	54
1932	78	57
1931	72	41
1930	84	53
1929	87	53
1928	73	45
1927	71	46
1926	90	50
1925	74	45
1924	74	50
1923	74	52
1922	72	46
1921	75	56
1920	74	47
1919	81	42
1918	73	51
1917	88	60
1916	60	47
1915	89	50
1914	80	42
1913	71	45
1912	68	48
1911	66	44
1910	74	49
1909	68	52
1908	72	44
1907	91	47
1906	85	48
1904	87	55
1903	75	54
1901	76	47
1896	82	44
1895	77	47
1894	84	47
1893	74	55

The forecast

Date	High	Low
6 October	94°FRecord 103°F, 2024	64°FRecord 37°F, 1893
7 October	Record 102°F, 2024	Record 40°F, 1927

The month and the year

Every year's 1 to 4 October in San Jose, CA, ranked by its mean temperature: October 2026 so far is the 4th warmest of 125.

Every year, ranked, as a table

Rank	Year	Mean, °F
1	2024	83.1
2	1980	78.1
3	2020	76.8
4	2026	74.8
5	1985	73.6
6	2012	73.5
7	2021	73.3
8	2014	72.8
9	1978	72.6
10	1952	72.4
11	1995	72.1
12	1991	71.4
13	1987	71.3
14	1958	70.5
15	1990	70.4
16	1904	70.3
17	1979	70
18	2018	69.9
19	2023	69.8
19	1933	69.8
21	1947	69.5
22	1917	69.4
23	2001	69.3
24	1997	69
25	1964	68.9
26	1961	68.8
27	1970	68.5
28	1942	68
29	2008	67.8
30	1941	67.5
31	2025	67.3
32	2015	67.1
32	1915	67.1
34	1996	67
34	1959	67
34	1932	67
37	1945	66.8
38	2022	66.6
38	1988	66.6
38	1949	66.6
41	2000	66.5
41	1992	66.5
41	1953	66.5
44	1966	66.4
45	1986	65.9
45	1974	65.9
45	1924	65.9
48	2002	65.6
48	1981	65.6
50	1977	65.5
50	1965	65.5
50	1943	65.5
50	1913	65.5
54	1993	65.4
54	1951	65.4
56	2017	65.1
56	1935	65.1
58	1948	65
59	2010	64.9
59	1962	64.9
59	1944	64.9
59	1907	64.9
63	1906	64.8
64	2013	64.6
65	1969	64.5
66	2011	64.4
66	2003	64.4
68	1999	64.3
68	1960	64.3
68	1956	64.3
68	1923	64.3
72	1975	64.1
72	1972	64.1
74	1983	64
75	1976	63.8
75	1930	63.8
75	1896	63.8
78	2007	63.6
78	1918	63.6
80	1895	63.4
81	2005	63.3
82	1926	63.1
83	2009	63
83	1929	63
85	1989	62.9
85	1950	62.9
85	1921	62.9
88	1927	62.8
89	1968	62.5
89	1912	62.5
91	1931	62.4
92	2004	62.1
93	2016	61.9
93	1955	61.9
95	1957	61.8
95	1936	61.8
97	2006	61.6
97	1971	61.6
97	1938	61.6
97	1934	61.6
101	1982	61.5
101	1967	61.5
101	1922	61.5
104	1894	61.1
105	1998	60.9
105	1920	60.9
107	1973	60.8
108	1901	60.5
109	2019	60.4
109	1940	60.4
111	1939	60.3
112	1919	59.9
113	1893	59.6
114	1946	59.5
114	1928	59.5
116	1910	59.4
117	1914	59
118	1925	58.6
119	1903	58.5
120	1954	58.3
120	1937	58.3
122	1909	57.8
123	1908	56.8
124	1911	55.6
125	1916	53.5

Every day as a table

Daily highs and lows in San Jose, CA, 1 to 4 October 2026, with each date's record range and its 1991 to 2020 normal range.

Day	High, °F	Low, °F	Record high	Year	Record low	Year	Normal high	Normal low
1 October 2026	83	58	100	2024	39	1894	77.5	57.5
2 October 2026	84	60	106	2024	38	1893	77	55.5
3 October 2026	93	60	101	2024	40	1916	75	54.5
4 October 2026	94	66	98	2024	41	1931	74	56

The warmest, coldest and wettest on this date

The 20 warmest 4 October highs in San Jose, CA since 1893.
Rank	Year	High, °F
1	2024	98
2	1987	96
3	2026	94
3	1985	94
3	1980	94
6	2023	92
6	2014	92
6	1933	92
9	1953	91
9	1907	91
11	1947	90
11	1926	90
13	2021	89
13	1943	89
13	1915	89
16	1917	88
17	1929	87
17	1904	87
19	1971	86
20	1990	85

The 20 coldest 4 October lows in San Jose, CA since 1893.
Rank	Year	Low, °F
1	1931	41
2	1919	42
2	1914	42
4	1911	44
4	1908	44
4	1896	44
7	1940	45
7	1937	45
7	1928	45
7	1925	45
7	1913	45
12	2019	46
12	1982	46
12	1973	46
12	1957	46
12	1955	46
12	1954	46
12	1946	46
12	1939	46
12	1927	46

The 20 wettest 4 October days in San Jose, CA since 1893.
Rank	Year	Precipitation, in
1	1916	0.41
2	1994	0.25
3	2006	0.20
4	2008	0.13
5	2011	0.10
6	1956	0.04
7	1972	0.02
7	1921	0.02
9	1923	0.01
9	1918	0.01
9	1911	0.01
12	2007	trace
12	1993	trace
14	2026	0.00
14	2025	0.00
14	2024	0.00
14	2023	0.00
14	2022	0.00
14	2021	0.00
14	2020	0.00

Every answer in words

Sunday 4 October 2026: a high of 94°F in San Jose, CA, the warmest 4 October since 2024, tied 3rd warmest of 125 (with 1985 and 1980).
Forecast for Tuesday 6 October 2026: a high of 94°F in San Jose, CA, which would be the warmest 6 October since 2024, 5th warmest of 125 (National Weather Service forecast).
Forecast for Tuesday 6 October 2026: a low of 64°F in San Jose, CA, which would be the warmest 6 October night since 2024, tied 2nd warmest of 125 (with 2023 and 1985) (National Weather Service forecast).
San Jose, CA on 6 October: record high 103°F (2024), record low 37°F (1893).
San Jose, CA on 7 October: record high 102°F (2024), record low 40°F (1927).
October 2026 so far averaged 74.8°F in San Jose, CA, the warmest 1 to 4 October since 2024, 4th warmest of 125.
October 2026 so far brought 0.00 in of precipitation in San Jose, CA, tying the record for the driest 1 to 4 October, set in 2024, 2023, 2022 and 85 other years, in 130 years since 1893 (1897 excluded: 4 of 4 days missing; 1900 excluded: 4 of 4 days missing; 1963 excluded: 4 of 4 days missing; 1 more year excluded for missing days); provisional.
Fall 2026 so far averaged 69.8°F in San Jose, CA, the warmest 1 September to 4 October since 2025, tied 13th warmest of 123 (with 2015).
Fall 2026 so far brought 0.06 in of precipitation in San Jose, CA, the wettest 1 September to 4 October since 2025, tied 61st wettest of 129 (with 2004, 1946 and 1907).
2026 so far averaged 64°F in San Jose, CA, the warmest 1 January to 4 October since 2024, 4th warmest of 123.
2026 so far brought 7.43 in of precipitation in San Jose, CA, the driest 1 January to 4 October since 2025, 50th driest of 127.
The 30 days to Sunday 4 October 2026 brought 0.00 in of precipitation in San Jose, CA, tying the record for the driest 30 days to 4 October, set in 2024, 2021, 2020 and 24 other years, in 129 years since 1893 (1897 excluded: 30 of 30 days missing; 1898 excluded: 26 of 30 days missing; 1900 excluded: 4 of 30 days missing; 2 more years excluded for missing days); provisional.
The 60 days to Sunday 4 October 2026 brought 0.06 in of precipitation in San Jose, CA, the driest 60 days to 4 October since 2024, tied 55th driest of 129 (with 2015, 2004, 1946 and 1 other year).
The 90 days to Sunday 4 October 2026 brought 0.06 in of precipitation in San Jose, CA, the driest 90 days to 4 October since 2024, tied 53rd driest of 127 (with 2015, 2004, 1946 and 1 other year).
San Jose, CA has had 10 days at 90°F or above in 2026 through 4 October, the most by that date since 2025, tied 95th most of 123 (with 2025, 2014, 2013 and 5 other years).

Nearby

San Francisco Airport, CA 30.1 mi
Stockton, CA 52.9 mi
Merced, CA 77.5 mi
Sacramento, CA 82.6 mi
Madera, CA 103.2 mi
Santa Clara County, CA county average
California every city and county

All-time records

About these figures

Daily records for San Jose, CA run from 1893 to 4 October 2026, with 2242 days missing; current station SAN JOSE.

Our calculation from NOAA records for San Jose, CA, 1893 to 2026. Preliminary until NOAA's final data.