S
M
T
W
T
F
S
26
88°
64°
27
86°
66°
28
75°
57°
29
76°
55°
30
81°
54°
31
84°
62°
1
79°
60°
2
78°
55°
3
80°
57°
4
83°
60°
5
81°
59°
6
80°
58°
7
78°
58°
8
79°
61°
9
82°
57°
10
82°
61°
11
78°
61°
12
78°
62°
13
79°
60°
14
76°
58°
15
77°
60°
16
79°
61°
17
79°
60°
18
77°
60°
19
76°
59°
20
80°
60°
21
75°
58°
22
77°
61°
23
82°
59°
24
80°
56°
25
73°
59°
26
80°
61°
27
81°
60°
28
81°
60°
29
80°
59°
30
79°
56°
31
71°
52°
1
71°
52°
2
70°
53°
3
72°
57°
4
77°
57°
5
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marlette
Marlette's August 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 52° and 66°. 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 Marlette. See also: September | October | November.