S
M
T
W
T
F
S
26
86°
70°
27
89°
71°
28
87°
71°
29
84°
70°
30
86°
71°
31
90°
72°
1
89°
71°
2
90°
72°
3
90°
72°
4
91°
71°
5
91°
71°
6
89°
70°
7
89°
71°
8
88°
70°
9
84°
66°
10
83°
66°
11
83°
67°
12
86°
71°
13
88°
71°
14
86°
70°
15
89°
71°
16
87°
69°
17
89°
69°
18
89°
68°
19
87°
68°
20
88°
69°
21
89°
70°
22
90°
69°
23
89°
69°
24
85°
68°
25
85°
66°
26
83°
64°
27
82°
67°
28
82°
66°
29
80°
66°
30
80°
62°
31
82°
64°
1
85°
64°
2
86°
67°
3
86°
67°
4
85°
62°
5
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Granite Quarry
Granite Quarry's August 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 60° and 72°. The average high for August is 86° with an average low of 68°. 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 Granite Quarry. See also: September | October | November.