S
M
T
W
T
F
S
26
96°
69°
27
89°
73°
28
91°
70°
29
91°
71°
30
85°
71°
31
71°
62°
1
81°
61°
2
85°
61°
3
86°
62°
4
71°
54°
5
79°
52°
6
83°
58°
7
75°
57°
8
82°
54°
9
81°
62°
10
81°
61°
11
83°
65°
12
84°
65°
13
79°
67°
14
76°
64°
15
81°
63°
16
77°
58°
17
86°
55°
18
80°
59°
19
78°
56°
20
85°
60°
21
79°
61°
22
79°
55°
23
82°
49°
24
83°
61°
25
88°
62°
26
79°
59°
27
80°
53°
28
84°
53°
29
85°
69°
30
95°
67°
31
83°
63°
1
81°
56°
2
87°
59°
3
93°
68°
4
86°
66°
5
88°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marshall
Marshall's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Marshall. See also: September | October | November.