S
M
T
W
T
F
S
27
78°
58°
28
82°
59°
29
90°
60°
30
76°
56°
1
81°
58°
2
75°
59°
3
81°
55°
4
81°
59°
5
82°
59°
6
81°
58°
7
77°
58°
8
76°
57°
9
76°
56°
10
77°
58°
11
73°
58°
12
73°
57°
13
77°
57°
14
78°
56°
15
76°
54°
16
78°
57°
17
79°
56°
18
77°
56°
19
70°
49°
20
70°
51°
21
71°
48°
22
70°
54°
23
70°
52°
24
69°
52°
25
70°
51°
26
73°
54°
27
73°
54°
28
72°
53°
29
70°
53°
30
68°
51°
31
73°
52°
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 68° to 90°, with overnight lows between 48° 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.
