S
M
T
W
T
F
S
28
92°
74°
29
94°
73°
30
95°
73°
1
97°
75°
2
93°
72°
3
94°
73°
4
93°
73°
5
92°
71°
6
90°
72°
7
90°
71°
8
90°
71°
9
90°
70°
10
89°
69°
11
87°
69°
12
87°
70°
13
89°
69°
14
88°
71°
15
93°
69°
16
91°
71°
17
94°
72°
18
93°
68°
19
94°
71°
20
94°
72°
21
93°
72°
22
94°
73°
23
95°
73°
24
95°
72°
25
94°
73°
26
95°
73°
27
95°
72°
28
94°
73°
29
94°
72°
30
95°
73°
31
94°
72°
1
89°
71°
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 87° to 95°, with overnight lows between 68° and 73°. The average high for July is 92° with an average low of 71°. 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.
