S
M
T
W
T
F
S
26
81°
65°
27
78°
59°
28
81°
62°
29
82°
60°
30
78°
57°
31
81°
56°
1
78°
57°
2
78°
55°
3
79°
57°
4
78°
55°
5
78°
57°
6
79°
57°
7
78°
58°
8
80°
64°
9
82°
61°
10
82°
62°
11
84°
55°
12
82°
64°
13
86°
56°
14
81°
55°
15
77°
60°
16
77°
60°
17
79°
55°
18
77°
53°
19
76°
56°
20
76°
54°
21
77°
55°
22
74°
54°
23
76°
55°
24
77°
53°
25
76°
60°
26
76°
62°
27
81°
63°
28
84°
57°
29
84°
55°
30
76°
55°
31
75°
54°
1
74°
59°
2
74°
53°
3
75°
49°
4
73°
57°
5
73°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gratiot
Gratiot's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 49° and 65°. The average high for August is 78° 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 Gratiot. See also: September | October | November.