S
M
T
W
T
F
S
26
84°
63°
27
84°
62°
28
84°
63°
29
85°
62°
30
84°
63°
31
81°
61°
1
78°
57°
2
78°
58°
3
79°
61°
4
79°
60°
5
81°
61°
6
84°
62°
7
85°
63°
8
82°
63°
9
84°
62°
10
84°
62°
11
83°
61°
12
85°
63°
13
84°
64°
14
86°
54°
15
82°
55°
16
81°
56°
17
78°
55°
18
84°
55°
19
85°
53°
20
78°
51°
21
77°
52°
22
77°
53°
23
76°
52°
24
77°
54°
25
80°
58°
26
77°
57°
27
84°
54°
28
84°
51°
29
76°
51°
30
74°
52°
31
75°
51°
1
74°
49°
2
73°
48°
3
74°
49°
4
75°
50°
5
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Black Earth
Black Earth's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 48° and 64°. The average high for August is 80° with an average low of 57°. 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 Black Earth. See also: September | October | November.