S
M
T
W
T
F
S
26
94°
72°
27
88°
72°
28
92°
70°
29
86°
68°
30
85°
70°
31
85°
68°
1
88°
72°
2
93°
72°
3
93°
71°
4
92°
70°
5
91°
70°
6
92°
72°
7
93°
71°
8
93°
72°
9
92°
69°
10
84°
66°
11
87°
69°
12
87°
69°
13
88°
68°
14
83°
62°
15
82°
61°
16
82°
61°
17
83°
62°
18
83°
64°
19
84°
66°
20
86°
68°
21
86°
67°
22
87°
67°
23
85°
66°
24
89°
60°
25
87°
63°
26
87°
65°
27
84°
66°
28
85°
60°
29
83°
61°
30
80°
60°
31
80°
62°
1
84°
60°
2
80°
55°
3
79°
53°
4
77°
55°
5
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marthasville
Marthasville's August 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 53° and 72°. The average high for August is 86° with an average low of 65°. 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 Marthasville. See also: September | October | November.
