S
M
T
W
T
F
S
28
81°
60°
29
91°
69°
30
91°
75°
1
92°
76°
2
91°
76°
3
91°
68°
4
86°
70°
5
80°
70°
6
83°
64°
7
85°
60°
8
86°
62°
9
83°
66°
10
82°
63°
11
84°
60°
12
86°
58°
13
88°
64°
14
88°
68°
15
89°
66°
16
87°
65°
17
87°
66°
18
87°
65°
19
83°
62°
20
83°
63°
21
84°
62°
22
81°
60°
23
77°
61°
24
86°
66°
25
86°
66°
26
84°
65°
27
85°
65°
28
83°
64°
29
83°
64°
30
81°
63°
31
77°
63°
1
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Vandalia
Vandalia's July 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 58° and 68°. The average high for July is 84° with an average low of 64°. 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 Vandalia. See also: August | September | October.
