S
M
T
W
T
F
S
26
73°
68°
27
76°
69°
28
78°
70°
29
79°
70°
30
79°
69°
31
78°
70°
1
77°
70°
2
77°
69°
3
78°
69°
4
79°
70°
5
79°
69°
6
77°
70°
7
75°
68°
8
74°
70°
9
77°
69°
10
78°
68°
11
79°
69°
12
78°
67°
13
79°
65°
14
77°
65°
15
75°
69°
16
77°
70°
17
79°
70°
18
81°
69°
19
81°
70°
20
80°
69°
21
81°
67°
22
79°
68°
23
77°
68°
24
77°
67°
25
78°
69°
26
79°
70°
27
80°
70°
28
80°
69°
29
78°
68°
30
79°
69°
31
80°
71°
1
81°
70°
2
81°
72°
3
80°
71°
4
81°
71°
5
80°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grant Hill
Grant Hill's August 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 65° and 72°. The average high for August is 78° with an average low of 69°. 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 Grant Hill. See also: September | October | November.