S
M
T
W
T
F
S
28
93°
73°
29
93°
74°
30
92°
72°
1
93°
72°
2
93°
73°
3
91°
71°
4
92°
72°
5
85°
69°
6
93°
69°
7
90°
68°
8
92°
71°
9
94°
74°
10
91°
73°
11
90°
73°
12
84°
67°
13
88°
70°
14
88°
71°
15
85°
68°
16
89°
70°
17
90°
71°
18
91°
72°
19
90°
72°
20
91°
70°
21
90°
69°
22
93°
73°
23
93°
73°
24
93°
73°
25
92°
73°
26
94°
72°
27
94°
73°
28
93°
73°
29
93°
72°
30
91°
73°
31
93°
73°
1
93°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Gillham
Gillham's July 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 67° and 74°. The average high for July is 91° 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 Gillham. See also: August | September | October.