S
M
T
W
T
F
S
28
67°
59°
29
74°
57°
30
69°
56°
1
72°
54°
2
68°
58°
3
69°
55°
4
72°
52°
5
68°
49°
6
71°
47°
7
78°
52°
8
74°
55°
9
70°
52°
10
74°
57°
11
78°
59°
12
75°
52°
13
74°
50°
14
77°
53°
15
79°
58°
16
80°
59°
17
86°
59°
18
84°
63°
19
71°
58°
20
70°
59°
21
73°
55°
22
81°
55°
23
90°
53°
24
86°
57°
25
87°
60°
26
79°
55°
27
78°
54°
28
79°
52°
29
79°
51°
30
78°
54°
31
81°
56°
1
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Vermilion
Vermilion's July 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 51° and 60°. The average high for July is 82° 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 Vermilion. See also: August | September | October.