S
M
T
W
T
F
S
28
80°
56°
29
81°
56°
30
73°
55°
1
71°
55°
2
69°
56°
3
81°
54°
4
81°
55°
5
77°
53°
6
78°
55°
7
84°
55°
8
86°
56°
9
85°
55°
10
82°
54°
11
84°
55°
12
82°
55°
13
81°
53°
14
80°
53°
15
80°
54°
16
81°
55°
17
80°
54°
18
80°
54°
19
81°
55°
20
80°
54°
21
79°
55°
22
80°
56°
23
82°
56°
24
80°
55°
25
79°
55°
26
80°
54°
27
80°
54°
28
81°
55°
29
81°
55°
30
80°
54°
31
80°
54°
1
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Vallejo
Vallejo's July 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 53° and 56°. The average high for July is 80° 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 July weather will actually feel in Vallejo. See also: August | September | October.
