S
M
T
W
T
F
S
26
83°
63°
27
79°
58°
28
77°
58°
29
79°
62°
30
81°
60°
31
79°
57°
1
80°
58°
2
78°
56°
3
78°
57°
4
79°
56°
5
78°
57°
6
78°
60°
7
79°
61°
8
77°
60°
9
77°
63°
10
79°
60°
11
79°
63°
12
82°
57°
13
82°
60°
14
85°
56°
15
77°
55°
16
77°
55°
17
80°
58°
18
81°
55°
19
76°
56°
20
77°
54°
21
76°
55°
22
78°
55°
23
76°
60°
24
75°
55°
25
75°
59°
26
80°
62°
27
82°
62°
28
82°
61°
29
83°
54°
30
83°
53°
31
74°
54°
1
74°
54°
2
75°
59°
3
80°
55°
4
77°
51°
5
73°
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 73° to 85°, with overnight lows between 51° and 63°. The average high for August is 79° with an average low of 58°. 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.