S
M
T
W
T
F
S
26
90°
65°
27
91°
64°
28
92°
65°
29
91°
68°
30
91°
69°
31
93°
70°
1
94°
70°
2
94°
71°
3
93°
67°
4
92°
62°
5
86°
63°
6
87°
64°
7
88°
65°
8
87°
64°
9
86°
64°
10
87°
65°
11
90°
67°
12
88°
68°
13
90°
67°
14
91°
69°
15
93°
68°
16
90°
68°
17
92°
67°
18
90°
62°
19
87°
61°
20
88°
62°
21
90°
66°
22
92°
69°
23
91°
67°
24
92°
68°
25
91°
69°
26
93°
68°
27
89°
66°
28
85°
66°
29
90°
65°
30
90°
66°
31
91°
67°
1
Hist. Avg.
90°
60°
2
Hist. Avg.
89°
60°
3
Hist. Avg.
89°
60°
4
Hist. Avg.
89°
60°
5
Hist. Avg.
88°
59°
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 85° to 94°, with overnight lows between 61° and 71°. The average high for August is 90° with an average low of 66°. 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.
