S
M
T
W
T
F
S
27
75°
55°
28
77°
53°
29
78°
56°
30
82°
60°
1
83°
60°
2
82°
59°
3
82°
59°
4
81°
58°
5
73°
54°
6
74°
51°
7
73°
51°
8
72°
53°
9
72°
51°
10
73°
52°
11
78°
55°
12
80°
58°
13
80°
58°
14
81°
57°
15
78°
57°
16
73°
56°
17
71°
57°
18
71°
56°
19
72°
55°
20
70°
56°
21
69°
56°
22
70°
52°
23
72°
53°
24
73°
53°
25
76°
51°
26
78°
54°
27
76°
53°
28
73°
51°
29
76°
51°
30
76°
52°
31
75°
50°
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 69° to 83°, with overnight lows between 50° and 60°. The average high for October is 76° with an average low of 55°. 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.
