S
M
T
W
T
F
S
26
81°
71°
27
79°
69°
28
78°
69°
29
78°
68°
30
78°
68°
31
79°
67°
1
81°
69°
2
80°
70°
3
78°
70°
4
77°
69°
5
79°
68°
6
81°
71°
7
81°
71°
8
81°
69°
9
82°
71°
10
80°
70°
11
82°
69°
12
78°
71°
13
77°
69°
14
78°
70°
15
76°
71°
16
77°
70°
17
76°
69°
18
77°
68°
19
75°
68°
20
76°
69°
21
77°
70°
22
79°
69°
23
78°
68°
24
76°
68°
25
79°
69°
26
80°
70°
27
80°
71°
28
79°
71°
29
80°
70°
30
80°
69°
31
79°
68°
1
79°
68°
2
78°
67°
3
77°
66°
4
78°
66°
5
78°
69°
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 75° to 82°, with overnight lows between 66° and 71°. 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.