S
M
T
W
T
F
S
26
78°
61°
27
78°
62°
28
78°
58°
29
77°
62°
30
80°
64°
31
78°
58°
1
79°
64°
2
82°
64°
3
79°
58°
4
81°
57°
5
77°
58°
6
78°
57°
7
80°
58°
8
77°
57°
9
77°
63°
10
82°
62°
11
79°
59°
12
82°
62°
13
82°
64°
14
81°
64°
15
77°
63°
16
82°
56°
17
81°
56°
18
75°
57°
19
75°
58°
20
73°
56°
21
75°
55°
22
74°
60°
23
75°
61°
24
79°
62°
25
82°
61°
26
82°
53°
27
77°
53°
28
72°
52°
29
73°
54°
30
73°
58°
31
76°
60°
1
79°
61°
2
79°
58°
3
78°
54°
4
78°
59°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sherman
Sherman's August 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 52° and 64°. The average high for August is 78° 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 Sherman. See also: September | October | November.
