S
M
T
W
T
F
S
26
106°
72°
27
95°
68°
28
93°
63°
29
93°
60°
30
95°
63°
31
90°
57°
1
94°
52°
2
104°
59°
3
95°
54°
4
74°
51°
5
78°
54°
6
94°
56°
7
99°
60°
8
103°
62°
9
98°
62°
10
100°
60°
11
93°
57°
12
86°
57°
13
91°
58°
14
90°
59°
15
86°
57°
16
88°
59°
17
90°
60°
18
89°
59°
19
85°
59°
20
89°
58°
21
89°
59°
22
88°
57°
23
88°
58°
24
89°
57°
25
89°
54°
26
82°
54°
27
88°
56°
28
89°
58°
29
89°
57°
30
90°
58°
31
90°
58°
1
89°
57°
2
89°
57°
3
88°
56°
4
87°
55°
5
86°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alliance
Alliance's August 2026 forecast shows daily high temperatures ranging from 74° to 103°, with overnight lows between 51° and 62°. The average high for August is 89° with an average low of 57°. 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 Alliance. See also: September | October | November.