S
M
T
W
T
F
S
26
78°
63°
27
79°
61°
28
82°
64°
29
84°
62°
30
81°
58°
31
80°
57°
1
78°
56°
2
78°
57°
3
79°
58°
4
78°
57°
5
78°
59°
6
79°
60°
7
78°
63°
8
80°
64°
9
83°
59°
10
82°
63°
11
84°
63°
12
82°
64°
13
86°
55°
14
80°
59°
15
78°
64°
16
80°
60°
17
80°
56°
18
77°
54°
19
76°
57°
20
76°
56°
21
77°
55°
22
75°
55°
23
76°
57°
24
76°
54°
25
77°
63°
26
77°
63°
27
82°
62°
28
84°
54°
29
83°
61°
30
79°
56°
31
75°
54°
1
75°
60°
2
74°
52°
3
75°
50°
4
73°
59°
5
74°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Allison
Allison's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 50° and 64°. The average high for August is 79° with an average low of 59°. 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 Allison. See also: September | October | November.