S
M
T
W
T
F
S
28
92°
73°
29
96°
74°
30
97°
76°
1
95°
75°
2
95°
74°
3
95°
73°
4
94°
72°
5
91°
72°
6
91°
74°
7
89°
71°
8
90°
72°
9
89°
73°
10
88°
72°
11
89°
71°
12
90°
70°
13
92°
73°
14
91°
72°
15
90°
70°
16
89°
69°
17
90°
70°
18
91°
72°
19
92°
72°
20
91°
71°
21
86°
72°
22
85°
72°
23
84°
71°
24
84°
72°
25
87°
71°
26
86°
72°
27
86°
73°
28
87°
72°
29
86°
73°
30
86°
73°
31
87°
69°
1
86°
70°
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 84° to 97°, with overnight lows between 69° and 76°. The average high for July is 90° with an average low of 72°. 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.
