S
M
T
W
T
F
S
28
92°
77°
29
92°
77°
30
94°
77°
1
93°
74°
2
95°
72°
3
91°
74°
4
96°
71°
5
87°
70°
6
89°
69°
7
90°
71°
8
94°
75°
9
93°
73°
10
92°
71°
11
91°
68°
12
91°
70°
13
91°
71°
14
95°
71°
15
94°
72°
16
103°
80°
17
94°
74°
18
96°
75°
19
96°
76°
20
97°
76°
21
97°
75°
22
96°
76°
23
98°
77°
24
98°
76°
25
97°
77°
26
98°
76°
27
98°
77°
28
97°
76°
29
97°
75°
30
96°
74°
31
96°
74°
1
93°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dennis
Dennis's July 2026 forecast shows daily high temperatures ranging from 87° to 103°, with overnight lows between 68° and 80°. The average high for July is 95° with an average low of 74°. 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 Dennis. See also: August | September | October.
