S
M
T
W
T
F
S
27
75°
55°
28
79°
52°
29
92°
54°
30
91°
58°
1
90°
54°
2
90°
56°
3
94°
59°
4
90°
59°
5
93°
60°
6
92°
57°
7
92°
58°
8
96°
60°
9
83°
59°
10
82°
58°
11
86°
57°
12
87°
57°
13
84°
56°
14
83°
56°
15
87°
54°
16
78°
53°
17
83°
58°
18
83°
59°
19
80°
57°
20
80°
56°
21
79°
55°
22
79°
56°
23
78°
55°
24
79°
55°
25
79°
56°
26
78°
55°
27
71°
54°
28
69°
48°
29
69°
50°
30
68°
49°
31
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Vallejo
Vallejo's October 2026 forecast shows daily high temperatures ranging from 68° to 96°, with overnight lows between 48° and 60°. The average high for October is 82° with an average low of 56°. 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 Vallejo. See also: November | December | January.
