S
M
T
W
T
F
S
26
63°
44°
27
64°
33°
28
66°
49°
29
65°
37°
30
67°
44°
31
74°
50°
1
65°
49°
2
65°
47°
3
73°
38°
4
76°
39°
5
79°
37°
6
82°
39°
7
78°
49°
8
75°
37°
9
71°
44°
10
67°
47°
11
68°
49°
12
72°
47°
13
75°
50°
14
75°
47°
15
76°
48°
16
75°
45°
17
70°
47°
18
72°
46°
19
74°
47°
20
70°
45°
21
70°
45°
22
67°
44°
23
61°
40°
24
69°
47°
25
69°
45°
26
68°
46°
27
70°
48°
28
70°
48°
29
66°
43°
30
67°
46°
31
67°
47°
1
64°
46°
2
60°
40°
3
65°
45°
4
67°
46°
5
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Granisle
Granisle's August 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 40° and 50°. The average high for August is 69° with an average low of 46°. 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 Granisle. See also: September | October | November.