S
M
T
W
T
F
S
27
88°
79°
28
87°
78°
29
88°
79°
30
88°
78°
1
87°
78°
2
87°
77°
3
86°
78°
4
88°
77°
5
87°
78°
6
88°
77°
7
86°
78°
8
87°
79°
9
87°
77°
10
87°
77°
11
86°
79°
12
87°
77°
13
86°
77°
14
Hist. Avg.
85°
77°
15
Hist. Avg.
85°
77°
16
Hist. Avg.
85°
77°
17
Hist. Avg.
85°
77°
18
Hist. Avg.
85°
77°
19
Hist. Avg.
85°
77°
20
Hist. Avg.
85°
77°
21
Hist. Avg.
85°
77°
22
Hist. Avg.
85°
77°
23
Hist. Avg.
85°
77°
24
Hist. Avg.
85°
77°
25
Hist. Avg.
85°
77°
26
Hist. Avg.
84°
77°
27
Hist. Avg.
84°
78°
28
Hist. Avg.
84°
78°
29
Hist. Avg.
84°
78°
30
Hist. Avg.
84°
78°
31
Hist. Avg.
84°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in San Jose
San Jose's October 2026 forecast shows daily high temperatures ranging from 86° to 88°, with overnight lows between 77° and 79°. The average high for October is 87° with an average low of 78°. 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.
