S
M
T
W
T
F
S
28
84°
63°
29
93°
72°
30
92°
78°
1
98°
77°
2
97°
73°
3
89°
74°
4
88°
67°
5
84°
67°
6
84°
63°
7
85°
61°
8
87°
62°
9
83°
60°
10
85°
62°
11
87°
63°
12
87°
60°
13
86°
61°
14
83°
59°
15
77°
56°
16
78°
60°
17
76°
56°
18
77°
60°
19
78°
63°
20
78°
63°
21
83°
62°
22
84°
63°
23
84°
63°
24
82°
62°
25
84°
63°
26
84°
64°
27
85°
64°
28
84°
63°
29
85°
64°
30
83°
63°
31
84°
62°
1
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Decatur
Decatur's July 2026 forecast shows daily high temperatures ranging from 76° to 98°, with overnight lows between 56° and 77°. The average high for July is 84° 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 Decatur. See also: August | September | October.
