S
M
T
W
T
F
S
26
67°
56°
27
66°
55°
28
68°
55°
29
66°
53°
30
67°
54°
31
66°
55°
1
67°
56°
2
68°
56°
3
68°
55°
4
67°
56°
5
67°
55°
6
66°
55°
7
67°
54°
8
67°
55°
9
68°
55°
10
68°
53°
11
67°
54°
12
67°
55°
13
66°
55°
14
68°
50°
15
66°
53°
16
67°
55°
17
67°
55°
18
65°
54°
19
66°
52°
20
68°
50°
21
65°
53°
22
62°
56°
23
64°
56°
24
68°
54°
25
67°
50°
26
62°
49°
27
62°
50°
28
63°
53°
29
65°
53°
30
66°
54°
31
67°
53°
1
65°
55°
2
63°
56°
3
66°
54°
4
63°
53°
5
63°
53°
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 62° to 68°, with overnight lows between 49° and 56°. The average high for August is 66° with an average low of 54°. 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.