S
M
T
W
T
F
S
28
74°
58°
29
79°
63°
30
81°
61°
1
80°
59°
2
76°
58°
3
76°
61°
4
77°
61°
5
78°
60°
6
79°
59°
7
76°
60°
8
77°
60°
9
75°
59°
10
75°
60°
11
77°
61°
12
80°
64°
13
81°
63°
14
79°
66°
15
78°
64°
16
78°
62°
17
79°
63°
18
80°
63°
19
81°
61°
20
81°
64°
21
79°
62°
22
77°
63°
23
78°
63°
24
78°
62°
25
79°
64°
26
81°
68°
27
83°
68°
28
83°
67°
29
81°
66°
30
79°
64°
31
78°
65°
1
79°
66°
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 74° to 83°, with overnight lows between 58° and 68°. The average high for July is 79° with an average low of 63°. 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.
