S
M
T
W
T
F
S
26
74°
57°
27
73°
58°
28
71°
55°
29
67°
53°
30
68°
57°
31
69°
58°
1
72°
57°
2
69°
53°
3
70°
58°
4
69°
57°
5
71°
59°
6
73°
58°
7
73°
58°
8
72°
57°
9
73°
58°
10
73°
57°
11
72°
58°
12
74°
59°
13
73°
56°
14
72°
58°
15
72°
57°
16
69°
56°
17
72°
56°
18
70°
57°
19
72°
55°
20
72°
54°
21
71°
56°
22
72°
56°
23
72°
55°
24
71°
55°
25
72°
54°
26
68°
53°
27
67°
52°
28
66°
55°
29
66°
53°
30
67°
53°
31
66°
54°
1
66°
55°
2
67°
54°
3
67°
51°
4
65°
50°
5
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grappenhall
Grappenhall's August 2026 forecast shows daily high temperatures ranging from 65° to 74°, with overnight lows between 50° and 59°. The average high for August is 70° with an average low of 56°. 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 Grappenhall. See also: September | October | November.
