S
M
T
W
T
F
S
27
74°
55°
28
76°
51°
29
87°
53°
30
88°
57°
1
83°
58°
2
84°
60°
3
93°
60°
4
94°
66°
5
91°
65°
6
91°
63°
7
90°
62°
8
87°
60°
9
76°
59°
10
71°
52°
11
73°
47°
12
72°
51°
13
77°
52°
14
81°
50°
15
86°
52°
16
94°
54°
17
88°
57°
18
74°
55°
19
69°
57°
20
70°
52°
21
67°
59°
22
63°
58°
23
70°
55°
24
74°
48°
25
76°
49°
26
69°
51°
27
68°
46°
28
68°
48°
29
68°
51°
30
69°
47°
31
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Jose
San Jose's October 2026 forecast shows daily high temperatures ranging from 65° to 69°, with overnight lows between 46° and 51°. The average high for October is 68° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in San Jose. See also: November | December | January.
