S
M
T
W
T
F
S
28
78°
66°
29
89°
76°
30
87°
71°
1
82°
66°
2
74°
67°
3
81°
66°
4
83°
66°
5
83°
65°
6
84°
64°
7
85°
66°
8
82°
65°
9
81°
66°
10
83°
62°
11
86°
66°
12
85°
64°
13
86°
67°
14
91°
69°
15
90°
70°
16
91°
72°
17
91°
70°
18
88°
66°
19
85°
64°
20
81°
62°
21
80°
60°
22
82°
59°
23
81°
63°
24
84°
64°
25
86°
65°
26
79°
58°
27
80°
61°
28
74°
58°
29
74°
60°
30
75°
60°
31
79°
61°
1
74°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dexter
Dexter's July 2026 forecast shows daily high temperatures ranging from 74° to 91°, with overnight lows between 58° and 72°. The average high for July is 83° with an average low of 64°. 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 Dexter. See also: August | September | October.