S
M
T
W
T
F
S
28
86°
64°
29
92°
73°
30
92°
73°
1
93°
72°
2
93°
71°
3
92°
71°
4
94°
70°
5
94°
71°
6
93°
72°
7
94°
72°
8
94°
69°
9
94°
65°
10
86°
67°
11
87°
72°
12
94°
73°
13
90°
74°
14
96°
73°
15
95°
69°
16
92°
70°
17
91°
73°
18
96°
67°
19
87°
67°
20
88°
66°
21
86°
66°
22
88°
72°
23
92°
74°
24
96°
75°
25
97°
74°
26
96°
67°
27
91°
68°
28
89°
72°
29
94°
74°
30
95°
72°
31
96°
72°
1
95°
75°
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 86° to 97°, with overnight lows between 64° and 75°. The average high for July is 92° with an average low of 71°. 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.
