S
M
T
W
T
F
S
28
91°
73°
29
93°
70°
30
95°
70°
1
95°
73°
2
97°
73°
3
97°
72°
4
91°
70°
5
90°
69°
6
87°
71°
7
89°
70°
8
89°
67°
9
89°
66°
10
86°
67°
11
81°
64°
12
87°
65°
13
86°
67°
14
85°
64°
15
88°
67°
16
88°
68°
17
89°
66°
18
85°
63°
19
90°
69°
20
91°
68°
21
90°
67°
22
90°
67°
23
89°
68°
24
89°
68°
25
84°
67°
26
85°
67°
27
86°
68°
28
86°
68°
29
87°
67°
30
87°
69°
31
88°
68°
1
88°
69°
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 81° to 91°, with overnight lows between 63° and 71°. The average high for July is 88° with an average low of 67°. 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.
