S
M
T
W
T
F
S
28
89°
70°
29
89°
73°
30
91°
75°
1
91°
75°
2
93°
75°
3
92°
72°
4
89°
70°
5
83°
66°
6
84°
63°
7
84°
65°
8
88°
68°
9
86°
69°
10
84°
65°
11
85°
63°
12
84°
67°
13
84°
65°
14
86°
69°
15
87°
66°
16
87°
68°
17
86°
65°
18
82°
63°
19
82°
69°
20
88°
66°
21
82°
62°
22
82°
62°
23
83°
64°
24
84°
65°
25
83°
66°
26
86°
68°
27
88°
69°
28
89°
69°
29
89°
70°
30
88°
69°
31
87°
68°
1
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sullivan
Sullivan's July 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 62° and 70°. The average high for July is 85° with an average low of 66°. 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 Sullivan. See also: August | September | October.
