S
M
T
W
T
F
S
26
80°
60°
27
82°
56°
28
84°
56°
29
81°
61°
30
83°
64°
31
88°
65°
1
90°
60°
2
89°
60°
3
81°
58°
4
81°
57°
5
84°
55°
6
81°
54°
7
80°
54°
8
79°
55°
9
80°
57°
10
81°
62°
11
86°
62°
12
87°
61°
13
88°
62°
14
87°
54°
15
87°
53°
16
79°
53°
17
81°
54°
18
83°
57°
19
83°
55°
20
84°
53°
21
84°
57°
22
83°
60°
23
87°
55°
24
79°
50°
25
76°
52°
26
80°
59°
27
81°
59°
28
77°
56°
29
85°
53°
30
78°
49°
31
74°
51°
1
73°
54°
2
75°
57°
3
77°
56°
4
80°
56°
5
84°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mellette
Mellette's August 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 48° and 65°. The average high for August is 82° with an average low of 56°. 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 Mellette. See also: September | October | November.
