S
M
T
W
T
F
S
26
100°
77°
27
101°
79°
28
104°
80°
29
105°
79°
30
105°
75°
31
104°
78°
1
106°
77°
2
106°
78°
3
109°
82°
4
109°
82°
5
107°
80°
6
108°
81°
7
109°
78°
8
108°
76°
9
108°
75°
10
107°
76°
11
107°
75°
12
106°
75°
13
107°
77°
14
106°
76°
15
103°
75°
16
102°
73°
17
102°
72°
18
103°
72°
19
101°
71°
20
101°
72°
21
102°
72°
22
102°
71°
23
103°
72°
24
102°
72°
25
103°
73°
26
104°
71°
27
105°
72°
28
104°
74°
29
104°
76°
30
103°
75°
31
100°
75°
1
99°
73°
2
101°
73°
3
102°
74°
4
103°
73°
5
101°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gilbert
Gilbert's August 2026 forecast shows daily high temperatures ranging from 99° to 109°, with overnight lows between 71° and 82°. The average high for August is 104° with an average low of 75°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Gilbert. See also: September | October | November.
