S
M
T
W
T
F
S
27
83°
60°
28
82°
59°
29
81°
55°
30
82°
59°
1
79°
56°
2
74°
51°
3
74°
51°
4
75°
52°
5
74°
51°
6
75°
54°
7
74°
53°
8
75°
51°
9
76°
56°
10
77°
54°
11
74°
51°
12
73°
48°
13
71°
49°
14
72°
51°
15
72°
50°
16
73°
53°
17
75°
54°
18
78°
55°
19
78°
56°
20
77°
56°
21
76°
55°
22
77°
56°
23
78°
56°
24
79°
54°
25
76°
56°
26
75°
55°
27
70°
54°
28
73°
55°
29
71°
53°
30
69°
49°
31
68°
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 83°, with overnight lows between 48° and 60°. The average high for October is 75° with an average low of 54°. 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.
