S
M
T
W
T
F
S
26
81°
61°
27
81°
54°
28
75°
57°
29
77°
60°
30
76°
58°
31
76°
53°
1
75°
54°
2
75°
53°
3
74°
54°
4
74°
53°
5
75°
52°
6
75°
55°
7
76°
58°
8
76°
60°
9
77°
61°
10
80°
55°
11
79°
61°
12
82°
59°
13
78°
56°
14
83°
53°
15
74°
52°
16
74°
57°
17
75°
53°
18
74°
53°
19
72°
52°
20
73°
52°
21
74°
54°
22
73°
52°
23
72°
54°
24
72°
57°
25
73°
52°
26
73°
60°
27
78°
60°
28
79°
58°
29
80°
52°
30
79°
51°
31
70°
50°
1
71°
50°
2
70°
58°
3
74°
51°
4
74°
48°
5
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Granton
Granton's August 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 48° and 61°. The average high for August is 75° with an average low of 55°. 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 Granton. See also: September | October | November.