S
M
T
W
T
F
S
27
75°
55°
28
76°
52°
29
94°
55°
30
91°
60°
1
94°
56°
2
85°
56°
3
94°
64°
4
93°
66°
5
93°
64°
6
99°
61°
7
96°
60°
8
89°
58°
9
74°
56°
10
72°
55°
11
74°
49°
12
72°
48°
13
81°
50°
14
81°
50°
15
89°
56°
16
91°
54°
17
86°
49°
18
78°
48°
19
72°
47°
20
73°
46°
21
76°
47°
22
81°
48°
23
82°
50°
24
82°
49°
25
75°
44°
26
75°
45°
27
74°
46°
28
75°
46°
29
74°
45°
30
74°
48°
31
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Benicia
Benicia's October 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 44° and 56°. The average high for October is 78° 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 Benicia. See also: November | December | January.