S
M
T
W
T
F
S
26
64°
42°
27
65°
43°
28
66°
50°
29
70°
50°
30
66°
49°
31
65°
46°
1
65°
47°
2
66°
43°
3
68°
48°
4
72°
49°
5
73°
50°
6
73°
49°
7
65°
43°
8
66°
42°
9
69°
43°
10
71°
44°
11
72°
43°
12
71°
44°
13
73°
49°
14
74°
48°
15
73°
43°
16
67°
42°
17
65°
47°
18
65°
42°
19
63°
42°
20
63°
41°
21
64°
40°
22
65°
44°
23
67°
46°
24
64°
39°
25
61°
39°
26
61°
40°
27
63°
41°
28
69°
40°
29
69°
40°
30
67°
42°
31
69°
44°
1
70°
46°
2
69°
46°
3
68°
45°
4
68°
46°
5
67°
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 61° to 74°, with overnight lows between 39° and 50°. The average high for August is 67° with an average low of 44°. 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.