S
M
T
W
T
F
S
26
83°
65°
27
85°
65°
28
80°
64°
29
80°
65°
30
82°
66°
31
85°
66°
1
85°
65°
2
83°
66°
3
87°
66°
4
87°
65°
5
81°
61°
6
83°
63°
7
81°
59°
8
79°
58°
9
80°
57°
10
80°
58°
11
83°
64°
12
87°
65°
13
87°
64°
14
86°
58°
15
81°
61°
16
82°
65°
17
81°
60°
18
80°
58°
19
80°
57°
20
81°
61°
21
83°
61°
22
85°
62°
23
85°
61°
24
84°
62°
25
85°
61°
26
86°
62°
27
85°
60°
28
84°
62°
29
85°
63°
30
84°
59°
31
80°
53°
1
78°
53°
2
77°
54°
3
77°
54°
4
78°
55°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wallace
Wallace's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 53° and 66°. The average high for August is 82° with an average low of 61°. 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 Wallace. See also: September | October | November.