S
M
T
W
T
F
S
28
87°
72°
29
89°
73°
30
90°
74°
1
91°
72°
2
92°
71°
3
92°
73°
4
89°
68°
5
84°
68°
6
82°
66°
7
86°
62°
8
87°
67°
9
87°
70°
10
84°
67°
11
84°
63°
12
86°
64°
13
84°
65°
14
86°
64°
15
84°
64°
16
86°
65°
17
87°
64°
18
87°
65°
19
85°
64°
20
84°
62°
21
80°
60°
22
80°
61°
23
81°
63°
24
81°
64°
25
82°
65°
26
84°
67°
27
86°
67°
28
87°
68°
29
87°
68°
30
85°
67°
31
86°
68°
1
87°
68°
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 80° to 87°, with overnight lows between 60° and 70°. The average high for July is 85° with an average low of 65°. 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.